{"id":10765,"date":"2024-02-15T12:18:53","date_gmt":"2024-02-15T11:18:53","guid":{"rendered":"https:\/\/www.slovklima.sk\/blog\/efficiency-indicators\/"},"modified":"2024-06-06T09:21:49","modified_gmt":"2024-06-06T07:21:49","slug":"efficiency-indicators","status":"publish","type":"post","link":"https:\/\/www.slovklima.sk\/en\/blog\/efficiency-indicators\/","title":{"rendered":"Efficiency indicators"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]The efficiency of air-conditioning systems and heat pumps is expressed in terms of a coefficient of performance.<\/p>\n<p>The power factor is the ratio of the cooling or heat output to the electricity consumed. If the power coefficient is high, it means high energy efficiency. For example, a COP value of 4.0 means that 1 kW of electricity generates a heating output of 4 kW &#8211; that is, four times as much.<\/p>\n<p><strong>EER<\/strong> &#8211; Energy Efficiency Ratio<\/p>\n<p>Power coefficient for cooling operation<\/p>\n<p> <\/p>\n<p><strong>COP <\/strong>&#8211; Coefficient Of Performance<\/p>\n<p>Power coefficient for heating operation<\/p>\n<p> <\/p>\n<p>For air-conditioning systems, the EER value indicates the coefficient of performance for cooling operation, while the COP value represents the coefficient of performance for heating operation. As these values are only for one operating point, additional performance coefficients have been defined specifically for air-conditioning to take into account part load and also climatic influences.<\/p>\n<p> <\/p>\n<p><strong>SEER<\/strong> &#8211; Seasonal Energy Efficiency Ratio<\/p>\n<p>Power coefficient per year for cooling operation<\/p>\n<ul>\n<li>Expanded to include seasonal factors<\/li>\n<li>Temperatures of +20, +25, +30 and +35\u00b0C are used as measurement points<\/li>\n<\/ul>\n<p> <\/p>\n<p><strong>SCOP<\/strong> &#8211; Seasonal Coefficient Of Performance<\/p>\n<p>Power coefficient per year for heating operation<\/p>\n<ul>\n<li>Expanded to include seasonal factors<\/li>\n<li>Temperatures +12, +7, +2 and -7\u00b0C are used as measurement points<\/li>\n<\/ul>\n<p>The coefficient of performance per year is called SEER for cooling operation and SCOP for heating operation in the context of air-conditioning systems and heat pumps and takes into account temperature changes over the year.<\/p>\n<p> <\/p>\n<p><strong>ESEER<\/strong> &#8211; European SEER<\/p>\n<p>VRF systems are currently assessed according to the ESEER value, which includes partial load factors. For this, a formula is used to calculate the sum of four individual values with different weights.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]The efficiency of air-conditioning systems and heat pumps is expressed in terms of a coefficient of performance. The<\/p>\n","protected":false},"author":2,"featured_media":20380,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"table_tags":[],"class_list":["post-10765","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-conditioning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Efficiency indicators | SLOVKLIMA DEIMOS group, s.r.o.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.slovklima.sk\/en\/blog\/efficiency-indicators\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Efficiency indicators | SLOVKLIMA DEIMOS group, s.r.o.\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]The efficiency of air-conditioning systems and heat pumps is expressed in terms of a coefficient of performance. 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