<\/p>\n
content<\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\nHeat pump efficiency<\/a>Heat pump and climate<\/a>A. Heat pump brand X \u2013 10 kW, air-to-water, monobloc.<\/a><\/li>B. The same heat pump brand X.<\/a><\/li><\/ul><\/li>Types of humidity: what matters?<\/a>1. Relative humidity (%)<\/a><\/li>2. Absolute humidity (g\/m\u00b3)<\/a><\/li><\/ul><\/li>The impact of humidity on heat pumps<\/a>Comparative example:<\/a><\/li><\/ul><\/li>The climate of the region: how are we doing?<\/a>Romania (plains, south and center):<\/a><\/li>Ukraine (center and south):<\/a><\/li>Moldova:<\/a><\/li><\/ul><\/li>Conclusion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/span>Heat pump efficiency<\/strong><\/span><\/h1>\n<\/span>Heat pump and climate<\/span><\/h2>\nChoosing a heat pumps<\/strong> is an extremely complex decision in the modern world. The demand has appeared \u2013 the supply has also appeared. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump<\/strong> and forms their opinion from unauthorized sources, as well as from the seller, who often does not know what he is selling or, worse, unjustifiably "embellishes" the capabilities of the equipment. Let's take a concrete example.<\/p>\nAll the vendors, advertising agencies and distributors promote the so-called "advantages" of heat pump<\/strong> in the form of value COP<\/a>This is a scam. COP<\/a>The (heat pump efficiency) is an abstract concept. All heat pumps of the same type and technology have identical heat pump efficiency, regardless of brand. But the actual heat pump efficiency depends significantly on environmental conditions<\/strong>Let's analyze:<\/p>\n<\/span>A. Heat pump brand X \u2013 10 kW, air-to-water, monobloc.<\/span><\/h3>\nAnnounced COP: 4.5. Installed in southern Romania, at outside temperature<\/strong> of +2 \u00b0C and relative humidity<\/strong> moderate.<\/p>\n<\/span>B. The same heat pump brand X.<\/span><\/h3>\nInstalled in northern Romania, at outside temperature<\/strong> of -2 \u00b0C and moisture<\/strong> moderate.<\/p>\nThe results will be completely different. If someone thinks that temperature is the decisive factor, they are wrong. Few people know that air humidity<\/strong> is an equally important parameter, as is atmospheric pressure. For example, at +8 \u00b0C and moderate humidity we can feel thermal comfort, but at the same outside temperature<\/strong> and high humidity, discomfort becomes evident.<\/p>\nBuildings, animals, and equipment also react to these climatic factors. The mistaken idea that temperature alone determines \u201cweather\u201d \u2013 propagated by the press and weather forecasters \u2013 leads to errors in the design of heating and air conditioning systems.<\/p>\nFor the correct functioning of a heat pumps<\/strong>, and high heat pump efficiency. it is important to consider the following:<\/p>\n\n\nAir temperature<\/strong> \u2013 official value published by meteorological centers. It is measured 1.5\u20132 meters above the ground, in the shade, in a shielded enclosure.<\/p>\n<\/li>\n\nFelt temperature<\/strong> ("Feels like") \u2013 takes into account wind speed (wind chill), relative humidity<\/strong> (heat index) and solar radiation.<\/p>\n<\/li>\n\nAtmospheric pressure.<\/p>\n<\/li>\n\nAir humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Choosing a heat pumps<\/strong> is an extremely complex decision in the modern world. The demand has appeared \u2013 the supply has also appeared. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump<\/strong> and forms their opinion from unauthorized sources, as well as from the seller, who often does not know what he is selling or, worse, unjustifiably "embellishes" the capabilities of the equipment. Let's take a concrete example.<\/p>\nAll the vendors, advertising agencies and distributors promote the so-called "advantages" of heat pump<\/strong> in the form of value COP<\/a>This is a scam. COP<\/a>The (heat pump efficiency) is an abstract concept. All heat pumps of the same type and technology have identical heat pump efficiency, regardless of brand. But the actual heat pump efficiency depends significantly on environmental conditions<\/strong>Let's analyze:<\/p>\n<\/span>A. Heat pump brand X \u2013 10 kW, air-to-water, monobloc.<\/span><\/h3>\nAnnounced COP: 4.5. Installed in southern Romania, at outside temperature<\/strong> of +2 \u00b0C and relative humidity<\/strong> moderate.<\/p>\n<\/span>B. The same heat pump brand X.<\/span><\/h3>\nInstalled in northern Romania, at outside temperature<\/strong> of -2 \u00b0C and moisture<\/strong> moderate.<\/p>\nThe results will be completely different. If someone thinks that temperature is the decisive factor, they are wrong. Few people know that air humidity<\/strong> is an equally important parameter, as is atmospheric pressure. For example, at +8 \u00b0C and moderate humidity we can feel thermal comfort, but at the same outside temperature<\/strong> and high humidity, discomfort becomes evident.<\/p>\nBuildings, animals, and equipment also react to these climatic factors. The mistaken idea that temperature alone determines \u201cweather\u201d \u2013 propagated by the press and weather forecasters \u2013 leads to errors in the design of heating and air conditioning systems.<\/p>\nFor the correct functioning of a heat pumps<\/strong>, and high heat pump efficiency. it is important to consider the following:<\/p>\n\n\nAir temperature<\/strong> \u2013 official value published by meteorological centers. It is measured 1.5\u20132 meters above the ground, in the shade, in a shielded enclosure.<\/p>\n<\/li>\n\nFelt temperature<\/strong> ("Feels like") \u2013 takes into account wind speed (wind chill), relative humidity<\/strong> (heat index) and solar radiation.<\/p>\n<\/li>\n\nAtmospheric pressure.<\/p>\n<\/li>\n\nAir humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
All the vendors, advertising agencies and distributors promote the so-called "advantages" of heat pump<\/strong> in the form of value COP<\/a>This is a scam. COP<\/a>The (heat pump efficiency) is an abstract concept. All heat pumps of the same type and technology have identical heat pump efficiency, regardless of brand. But the actual heat pump efficiency depends significantly on environmental conditions<\/strong>Let's analyze:<\/p>\n<\/span>A. Heat pump brand X \u2013 10 kW, air-to-water, monobloc.<\/span><\/h3>\nAnnounced COP: 4.5. Installed in southern Romania, at outside temperature<\/strong> of +2 \u00b0C and relative humidity<\/strong> moderate.<\/p>\n<\/span>B. The same heat pump brand X.<\/span><\/h3>\nInstalled in northern Romania, at outside temperature<\/strong> of -2 \u00b0C and moisture<\/strong> moderate.<\/p>\nThe results will be completely different. If someone thinks that temperature is the decisive factor, they are wrong. Few people know that air humidity<\/strong> is an equally important parameter, as is atmospheric pressure. For example, at +8 \u00b0C and moderate humidity we can feel thermal comfort, but at the same outside temperature<\/strong> and high humidity, discomfort becomes evident.<\/p>\nBuildings, animals, and equipment also react to these climatic factors. The mistaken idea that temperature alone determines \u201cweather\u201d \u2013 propagated by the press and weather forecasters \u2013 leads to errors in the design of heating and air conditioning systems.<\/p>\nFor the correct functioning of a heat pumps<\/strong>, and high heat pump efficiency. it is important to consider the following:<\/p>\n\n\nAir temperature<\/strong> \u2013 official value published by meteorological centers. It is measured 1.5\u20132 meters above the ground, in the shade, in a shielded enclosure.<\/p>\n<\/li>\n\nFelt temperature<\/strong> ("Feels like") \u2013 takes into account wind speed (wind chill), relative humidity<\/strong> (heat index) and solar radiation.<\/p>\n<\/li>\n\nAtmospheric pressure.<\/p>\n<\/li>\n\nAir humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Announced COP: 4.5. Installed in southern Romania, at outside temperature<\/strong> of +2 \u00b0C and relative humidity<\/strong> moderate.<\/p>\n<\/span>B. The same heat pump brand X.<\/span><\/h3>\nInstalled in northern Romania, at outside temperature<\/strong> of -2 \u00b0C and moisture<\/strong> moderate.<\/p>\nThe results will be completely different. If someone thinks that temperature is the decisive factor, they are wrong. Few people know that air humidity<\/strong> is an equally important parameter, as is atmospheric pressure. For example, at +8 \u00b0C and moderate humidity we can feel thermal comfort, but at the same outside temperature<\/strong> and high humidity, discomfort becomes evident.<\/p>\nBuildings, animals, and equipment also react to these climatic factors. The mistaken idea that temperature alone determines \u201cweather\u201d \u2013 propagated by the press and weather forecasters \u2013 leads to errors in the design of heating and air conditioning systems.<\/p>\nFor the correct functioning of a heat pumps<\/strong>, and high heat pump efficiency. it is important to consider the following:<\/p>\n\n\nAir temperature<\/strong> \u2013 official value published by meteorological centers. It is measured 1.5\u20132 meters above the ground, in the shade, in a shielded enclosure.<\/p>\n<\/li>\n\nFelt temperature<\/strong> ("Feels like") \u2013 takes into account wind speed (wind chill), relative humidity<\/strong> (heat index) and solar radiation.<\/p>\n<\/li>\n\nAtmospheric pressure.<\/p>\n<\/li>\n\nAir humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Installed in northern Romania, at outside temperature<\/strong> of -2 \u00b0C and moisture<\/strong> moderate.<\/p>\nThe results will be completely different. If someone thinks that temperature is the decisive factor, they are wrong. Few people know that air humidity<\/strong> is an equally important parameter, as is atmospheric pressure. For example, at +8 \u00b0C and moderate humidity we can feel thermal comfort, but at the same outside temperature<\/strong> and high humidity, discomfort becomes evident.<\/p>\nBuildings, animals, and equipment also react to these climatic factors. The mistaken idea that temperature alone determines \u201cweather\u201d \u2013 propagated by the press and weather forecasters \u2013 leads to errors in the design of heating and air conditioning systems.<\/p>\nFor the correct functioning of a heat pumps<\/strong>, and high heat pump efficiency. it is important to consider the following:<\/p>\n\n\nAir temperature<\/strong> \u2013 official value published by meteorological centers. It is measured 1.5\u20132 meters above the ground, in the shade, in a shielded enclosure.<\/p>\n<\/li>\n\nFelt temperature<\/strong> ("Feels like") \u2013 takes into account wind speed (wind chill), relative humidity<\/strong> (heat index) and solar radiation.<\/p>\n<\/li>\n\nAtmospheric pressure.<\/p>\n<\/li>\n\nAir humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
The results will be completely different. If someone thinks that temperature is the decisive factor, they are wrong. Few people know that air humidity<\/strong> is an equally important parameter, as is atmospheric pressure. For example, at +8 \u00b0C and moderate humidity we can feel thermal comfort, but at the same outside temperature<\/strong> and high humidity, discomfort becomes evident.<\/p>\nBuildings, animals, and equipment also react to these climatic factors. The mistaken idea that temperature alone determines \u201cweather\u201d \u2013 propagated by the press and weather forecasters \u2013 leads to errors in the design of heating and air conditioning systems.<\/p>\nFor the correct functioning of a heat pumps<\/strong>, and high heat pump efficiency. it is important to consider the following:<\/p>\n\n\nAir temperature<\/strong> \u2013 official value published by meteorological centers. It is measured 1.5\u20132 meters above the ground, in the shade, in a shielded enclosure.<\/p>\n<\/li>\n\nFelt temperature<\/strong> ("Feels like") \u2013 takes into account wind speed (wind chill), relative humidity<\/strong> (heat index) and solar radiation.<\/p>\n<\/li>\n\nAtmospheric pressure.<\/p>\n<\/li>\n\nAir humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Buildings, animals, and equipment also react to these climatic factors. The mistaken idea that temperature alone determines \u201cweather\u201d \u2013 propagated by the press and weather forecasters \u2013 leads to errors in the design of heating and air conditioning systems.<\/p>\n
For the correct functioning of a heat pumps<\/strong>, and high heat pump efficiency. it is important to consider the following:<\/p>\n\n\nAir temperature<\/strong> \u2013 official value published by meteorological centers. It is measured 1.5\u20132 meters above the ground, in the shade, in a shielded enclosure.<\/p>\n<\/li>\n\nFelt temperature<\/strong> ("Feels like") \u2013 takes into account wind speed (wind chill), relative humidity<\/strong> (heat index) and solar radiation.<\/p>\n<\/li>\n\nAtmospheric pressure.<\/p>\n<\/li>\n\nAir humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Air temperature<\/strong> \u2013 official value published by meteorological centers. It is measured 1.5\u20132 meters above the ground, in the shade, in a shielded enclosure.<\/p>\n<\/li>\n\nFelt temperature<\/strong> ("Feels like") \u2013 takes into account wind speed (wind chill), relative humidity<\/strong> (heat index) and solar radiation.<\/p>\n<\/li>\n\nAtmospheric pressure.<\/p>\n<\/li>\n\nAir humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Felt temperature<\/strong> ("Feels like") \u2013 takes into account wind speed (wind chill), relative humidity<\/strong> (heat index) and solar radiation.<\/p>\n<\/li>\n\nAtmospheric pressure.<\/p>\n<\/li>\n\nAir humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Atmospheric pressure.<\/p>\n<\/li>\n
Air humidity<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/span>Types of humidity: what matters?<\/span><\/h2>\n<\/span>1. Relative humidity (%)<\/strong><\/span><\/h3>\nThe percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
The percentage of water vapor saturation at a given temperature.The colder the air, the less water it contains, but relative humidity<\/strong> can reach 100%.<\/p>\nExample<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Example<\/strong>:At -10 \u00b0C, air may contain a little water, but if it is saturated, relative humidity<\/strong> it is 100%.In winter, in the morning, at -5\u20260 \u00b0C, relative humidity<\/strong> it is often 100% \u2013 especially in foggy or frosty conditions.<\/p>\n<\/span>2. Absolute humidity (g\/m\u00b3)<\/strong><\/span><\/h3>\nThe actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\nExample<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
The actual amount of water vapor in 1 m\u00b3 of air.Maximum in summer, on hot and humid days.<\/p>\n
Example<\/strong>:At +30 \u00b0C \u2013 up to 30 g\/m\u00b3At 0 \u00b0C \u2013 maximum 5 g\/m\u00b3At -10 \u00b0C \u2013 below 2 g\/m\u00b3<\/p>\nConclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Conclusion<\/strong>:<\/p>\n\n\nRelative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Relative humidity<\/strong> it is maximum in winter, around 0 \u00b0C.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Absolute humidity<\/strong> it is maximum in summer, at +30 \u00b0C and above, in tropical climates.<\/p>\n<\/li>\n<\/ul>\n<\/span>The impact of humidity on heat pumps<\/span><\/h2>\nBoth types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Both types of moisture<\/strong> are essential:<\/p>\n\n\nRelative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Relative humidity<\/strong> determines ice formation and defrost frequency.<\/p>\n<\/li>\n\nAbsolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Absolute humidity<\/strong> affects the heat capacity and latent energy of evaporation.<\/p>\n<\/li>\n<\/ul>\nTherefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n<\/span>Comparative example:<\/span><\/h3>\nIn Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Therefore, the heating or cooling process in one region is completely different from another. We cannot compare the selection of equipment between Nordic countries, Japan and regions like Moldova or Ukraine.<\/p>\n
In Krasnoiarsk<\/strong>, at -20 \u00b0C and dry air, the pump can operate more stably than in Kishinev<\/strong> at -2 \u00b0C with relative humidity<\/strong> high. In this case the efficiency of the heat pump will be higher in Krasnoiarsk.<\/strong><\/p>\nSometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Sometimes it is even easier and cheaper to heat a building in Krasnoyarsk than in Chisinau. Why? In the morning, in winter, at -5\u20260 \u00b0C, relative humidity<\/strong> often reaches 100%. Then, through the crystallization of water vapor, the air becomes "dry".<\/p>\nThe process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
The process of defrost<\/strong> can start even at +5 \u00b0C or more. In this case, air-to-water heat pump<\/strong> consumes energy to "protect itself", not to heat the building, the efficiency of the heat pump decreases significantly.<\/p>\nThe COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n\n\ncompressor crankcase preheating;<\/p>\n<\/li>\n\npreheating the system;<\/p>\n<\/li>\n\ncyclic operation;<\/p>\n<\/li>\n\ndefrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\nResult<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
The COP (heat pump efficiency) becomes irrelevant if we consider:<\/p>\n
compressor crankcase preheating;<\/p>\n<\/li>\n
preheating the system;<\/p>\n<\/li>\n
cyclic operation;<\/p>\n<\/li>\n
defrosting with energy taken from the building.<\/p>\n<\/li>\n<\/ul>\n
Result<\/strong>: huge costs for maintaining thermodynamic losses, to the detriment of useful energy.<\/p>\n<\/span>The climate of the region: how are we doing?<\/span><\/h2>\nIn Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n<\/span>Romania (plains, south and center):<\/span><\/h3>\n\n\nDecember: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n\nJanuary: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n\nFebruary: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nBucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
In Romania, Moldova, Ukraine and southern Russia, winters have been milder in recent years. Temperatures:<\/p>\n
December: -1 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n
January: -4 \u00b0C\u2026+1 \u00b0C<\/p>\n<\/li>\n
February: -3 \u00b0C\u2026+3 \u00b0C<\/p>\n<\/li>\n<\/ul>\n
Bucharest<\/strong>: January -1\u2026-2 \u00b0C<\/p>\n<\/span>Ukraine (center and south):<\/span><\/h3>\n\n\nDecember: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n\nJanuary: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n\nFebruary: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
December: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n
January: -3 \u00b0C\u2026-7 \u00b0C<\/p>\n<\/li>\n
February: -2 \u00b0C\u2026-5 \u00b0C<\/p>\n<\/li>\n<\/ul>\n
Kiev<\/strong>: January -5 \u00b0COdessa<\/strong>: January -2 \u00b0C<\/p>\n<\/span>Moldova:<\/span><\/h3>\n\n\nDecember: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n\nJanuary: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n\nFebruary: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\nKishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
December: 0\u2026-2 \u00b0C<\/p>\n<\/li>\n
January: -2\u2026-4 \u00b0C<\/p>\n<\/li>\n
February: -1\u2026-3 \u00b0C<\/p>\n<\/li>\n<\/ul>\n
Kishinev<\/strong>: January -2\u2026-3 \u00b0C<\/p>\nThese data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
These data clearly show that the misunderstanding the climate of the region<\/strong> can lead to design failures, especially in the case of monoblock<\/strong>, which are not adapted to local conditions. For more details about types of<\/strong> heat pumps<\/strong>, check out this article:<\/p>\nTypes of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Types of heat pumps<\/a><\/p><\/blockquote>\n<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/iframe><\/p>\n<h2 data-start=\"5713\" data-end=\"5725\"><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5727\" data-end=\"5789\">The correct misunderstanding of <strong data-start=\"5751\" data-end=\"5774\">the climate of the region<\/strong> can lead to:<\/p>\n<ul data-start=\"5791\" data-end=\"5941\">\n<li data-start=\"5791\" data-end=\"5845\">\n<p data-start=\"5793\" data-end=\"5845\">Wrong choice of type <strong data-start=\"5823\" data-end=\"5843\">heat pump<\/strong><\/p>\n<\/li>\n<li data-start=\"5846\" data-end=\"5881\">\n<p data-start=\"5848\" data-end=\"5881\">Low or no yield<\/p>\n<\/li>\n<li data-start=\"5882\" data-end=\"5911\">\n<p data-start=\"5884\" data-end=\"5911\">High energy consumption<\/p>\n<\/li>\n<li data-start=\"5912\" data-end=\"5941\">\n<p data-start=\"5914\" data-end=\"5941\">High maintenance costs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5943\" data-end=\"6164\">The most vulnerable are <strong data-start=\"5969\" data-end=\"5986\">monoblocks that do not have heat pump efficiency as a good benchmark for an efficient air conditioning system (heating and cooling)<\/strong>, especially those without EVI (<a href=\"https:\/\/altal.md\/en\/performance-coefficient\/\">vapor injection<\/a>). Therefore, the system must be chosen according to <strong data-start=\"6079\" data-end=\"6105\">outside temperature<\/strong>, <strong data-start=\"6107\" data-end=\"6129\">relative humidity<\/strong>, pressure and the architecture of the building.<\/p>\n<hr data-start=\"6166\" data-end=\"6169\" \/>\n<p data-start=\"6356\" data-end=\"6381\">","protected":false},"excerpt":{"rendered":"<p>Heat pump efficiency Heat pump and climate Choosing a heat pump is an extremely complex decision in the modern world. Demand has appeared \u2013 so has supply. And this is where the problems begin. Both on the part of the buyer, who does not understand exactly what a heat pump is and forms his opinion from sources\u2026<\/p>","protected":false},"author":1,"featured_media":7327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[408,403,404],"tags":[743,575,744],"class_list":["post-7324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economii-de-energie-si-eficienta","category-pompe-de-caldura-ghiduri-utile","category-recenzii-si-comparatii","tag-clima","tag-cop","tag-eficienta-pompei-de-caldura"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=7324"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/posts\/7324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/7327"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=7324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/categories?post=7324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/tags?post=7324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}