{"id":6939,"date":"2026-06-01T10:58:47","date_gmt":"2026-06-01T02:58:47","guid":{"rendered":"https:\/\/www.china-heatpump.com\/?post_type=heatpump_faqs&#038;p=6939"},"modified":"2026-06-15T10:49:43","modified_gmt":"2026-06-15T02:49:43","slug":"what-is-heat-pumps-cop","status":"publish","type":"heatpump_faqs","link":"https:\/\/www.china-heatpump.com\/pt\/heatpump_faqs\/what-is-heat-pumps-cop\/","title":{"rendered":"What is heat pump&#8217;s  Efficiency ? (What is the COP?)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6939\" class=\"elementor elementor-6939\" data-elementor-post-type=\"heatpump_faqs\">\n\t\t\t\t<div class=\"elementor-element elementor-element-32eebf26 e-flex e-con-boxed e-con e-parent\" data-id=\"32eebf26\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d8efad3 elementor-widget elementor-widget-text-editor\" data-id=\"2d8efad3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div><blockquote><div><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-6944\" src=\"https:\/\/www.china-heatpump.com\/wp-content\/uploads\/cop-1-out-4-1-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.china-heatpump.com\/wp-content\/uploads\/cop-1-out-4-1-300x300.jpg 300w, https:\/\/www.china-heatpump.com\/wp-content\/uploads\/cop-1-out-4-1-12x12.jpg 12w, https:\/\/www.china-heatpump.com\/wp-content\/uploads\/cop-1-out-4-1.jpg 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/blockquote><div>Efficiency of a Heat Pump refer the data of COP.\u00a0 It stands for<strong><span style=\"color: #000000;\"> C<\/span><\/strong><span style=\"color: #000000;\">oefficient<\/span><strong><span style=\"color: #000000;\"> o<\/span><\/strong><span style=\"color: #000000;\">f<\/span><strong><span style=\"color: #000000;\"> P<\/span><\/strong><span style=\"color: #000000;\">erformance.<\/span><\/div><div>The higher of the COP, the higher of the heat pump&#8217;s efficiency.<br \/>It is the key indicator to measure the heating efficiency of a heat pump, defined as:<\/div><blockquote><div><strong>COP = Useful heating output \/ Electrical energy input<\/strong><\/div><\/blockquote><\/div><div><div><p>In simple terms, it shows <strong>how much heat the unit produces per unit of electricity consumed<\/strong>.<\/p><div>\u00a0<\/div><p>For example, a COP of 4.0 means the heat pump delivers <strong>4 kW of heat<\/strong> while consuming only <strong>1 kW of electricity<\/strong>.<\/p><\/div><\/div><div><h2>Why COP Matters<\/h2><\/div><div><ul><li>Electric resistance heating has a COP close to <strong>1.0<\/strong><\/li><li>Standard air-source heat pumps: COP \u2248 <strong>2.5\u20134.0, <span style=\"color: #0000ff;\">Kolant&#8217;s air-source heatpump average cop\u22484.8<\/span><\/strong><\/li><li><strong>Ground-source &amp; water-source heat pumps<\/strong>: COP typically reaches <strong>4.0\u20136.0<\/strong> under rated conditions, <span style=\"color: #0000ff;\"><strong>Kolant&#8217;s Ground-source heatpump cop\u22485.9(full load), 9.7(patial load)<\/strong><\/span><\/li><\/ul><div><span style=\"color: #0000ff;\"><b>\u00a0 <span style=\"color: #000000;\">Details see:<\/span> <span style=\"text-decoration: underline;\"><span style=\"color: #ff99cc;\"><a style=\"color: #ff99cc; text-decoration: underline;\" href=\"https:\/\/www.china-heatpump.com\/pt\/r290-inverter-70c-degree-high-temperature-geo-ground-source-water-source-trinity-heat-pump\/\">ground source heatpump<\/a><\/span><\/span><\/b><\/span><\/div><\/div><div><div>Higher COP means <strong>higher energy efficiency, lower power consumption, and better operating economy<\/strong>.<\/div><\/div><div><h2>Notes<\/h2><\/div><div><ul><li>COP is for <strong>heating mode<\/strong> only.<\/li><li>For cooling mode, the efficiency metric is <strong>EER (Energy Efficiency Ratio)<\/strong>.<\/li><li>Actual COP varies with ambient temperature, water outlet temperature, and system design.<\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"featured_media":0,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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