{"id":66670,"date":"2026-02-23T12:01:58","date_gmt":"2026-02-23T11:01:58","guid":{"rendered":"https:\/\/www.idm-energie.at\/?page_id=66670"},"modified":"2026-07-06T14:58:31","modified_gmt":"2026-07-06T12:58:31","slug":"cop","status":"publish","type":"page","link":"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/","title":{"rendered":"Coefficient of Performance (COP)"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1185.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><nav class=\"fusion-breadcrumbs fusion-breadcrumbs-1\" style=\"--awb-margin-top:1%;--awb-breadcrumb-sep:&#039;\/&#039;;\" aria-label=\"Breadcrumb\"><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/nav><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-one\" style=\"--awb-margin-top:3%;--awb-margin-bottom:3%;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h1 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:uppercase;--fontSize:42;line-height:1;\">Coefficient of Performance (COP) in Heat Pump Efficiency<\/h1><\/div><div class=\"fusion-text fusion-text-1\"><p>COP is one of the most common ways to describe how efficiently a heat pump is running at a specific moment. If you are comparing heat pumps or trying to understand a datasheet, COP is usually the first efficiency number you will see.<\/p>\n<p>It matters because heat pumps do not \u201ccreate\u201d heat from fuel. They move heat from a source (air, ground, or water) into your building. When conditions are favorable, the delivered heat can be several times higher than the electrical power the heat pump consumes.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-stretch fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1185.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion-flex-column\" style=\"--awb-padding-top:1%;--awb-padding-right:2%;--awb-padding-left:2%;--awb-overflow:hidden;--awb-bg-color:#fff042;--awb-bg-color-hover:#fff042;--awb-bg-size:cover;--awb-border-radius:16px 16px 16px 16px;--awb-width-large:800px;--awb-margin-top-large:0px;--awb-spacing-right-large:2%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-paragraph blink-heading\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:20px;\"><p class=\"fusion-title-heading title-heading-center title-heading-tag fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:uppercase;font-size:1em;--fontSize:20;line-height:1.8;\"><strong>Configure your personalized heat pump system!<\/strong><\/p><\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-stretch fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"--awb-flex-grow:0;--awb-flex-grow-medium:0;--awb-flex-grow-small:0;--awb-flex-shrink:0;--awb-flex-shrink-medium:0;--awb-flex-shrink-small:0;width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-0 fusion_builder_column_inner_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:-5px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\" style=\"--awb-margin-left:2%;\"><p style=\"text-align: left;\">Plan your heat pump system with iDM Energiesysteme. Discover efficient heating, cooling, and hot water solutions for new buildings, renovations, and modern energy systems. Configure and personalize your iDM heat pump solution in just a few clicks.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-3\"><div style=\"display: flex; align-items: center; gap: 15px; flex-wrap: wrap;\">\n<div style=\"display: flex;\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-73518 aligncenter\" style=\"width: 50px; height: 50px; border-radius: 50%; border: 2px solid #000000;\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/thomas-portrait-150x150.jpg\" alt=\"Thomas Pletzer\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/thomas-portrait-66x66.jpg 66w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/thomas-portrait-150x150.jpg 150w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><br \/>\n<img decoding=\"async\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-73509 aligncenter\" style=\"width: 50px; height: 50px; border-radius: 50%; border: 2px solid #000000;\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/matthias-portrait-150x150.jpg\" alt=\"Matthias Steiner\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/matthias-portrait-66x66.jpg 66w, 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src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/adrian-portrait-150x150.jpg\" alt=\"Adrian Egger\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/adrian-portrait-66x66.jpg 66w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/adrian-portrait-150x150.jpg 150w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/div>\n<div style=\"color: #000000; line-height: 0.7; margin-left: 2%;\"><strong style=\"display: block;\">CONNECT WITH OUR EXPERTS<\/strong><br \/>\n<span style=\"opacity: 0.8;\">50+ Years of Heat Pumps Experience<\/span><\/div>\n<\/div>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-2 fusion_builder_column_inner_1_3 1_3 fusion-flex-column fusion-flex-align-self-center\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-center fusion-content-layout-column\"><div style=\"text-align:center;\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/konfigurator.myidm.at\/#\/?lang=EN\" rel=\"noopener\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Configure Now!<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1185.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-4\">\n<\/div><div class=\"fusion-text fusion-text-5\"><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#What_COP_means\" >What COP means<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#What_COP_tells_you_and_what_it_does_not\" >What COP tells you (and what it does not)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#Why_COP_changes_so_much\" >Why COP changes so much<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#How_COP_is_tested_and_written_on_datasheets\" >How COP is tested and written on datasheets<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#What_is_a_%E2%80%9Cgood%E2%80%9D_COP\" >What is a \u201cgood\u201d COP?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#COP_vs_SCOP_vs_SPF_quick_clarity\" >COP vs SCOP vs SPF (quick clarity)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#What_can_lower_COP_in_the_real_world\" >What can lower COP in the real world<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#How_to_use_COP_correctly_when_comparing_heat_pumps\" >How to use COP correctly when comparing heat pumps<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#Practical_takeaway_for_homeowners_and_early_research\" >Practical takeaway for homeowners and early research<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/cop\/#Frequently_Asked_Questions_FAQs\" >Frequently Asked Questions (FAQs)<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_COP_means\"><\/span>What COP means<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>COP (Coefficient of Performance) is the ratio of:<\/p>\n<ul>\n<li>useful heat delivered (heating output)<\/li>\n<li>divided by electricity consumed (input power)<\/li>\n<\/ul>\n<p><strong>In simple form:<\/strong><\/p>\n<p><strong>COP = Heat output \/ Electric input<\/strong><\/p>\n<p>So if a heat pump delivers 4 kW of heat while using 1 kW of electricity, the COP is 4.0.<\/p>\n<p>This is the same core definition used in standard rating methods for heat pumps.<\/p>\n<\/div><div class=\"fusion-image-element\" style=\"text-align:center;--awb-margin-top:2%;--awb-margin-bottom:2%;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\" style=\"border:3px solid #333333;\"><img decoding=\"async\" width=\"1024\" height=\"559\" alt=\"depiction of coefficient of performance in heat pump efficiency\" title=\"cop\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/cop-1024x559.webp\" class=\"img-responsive wp-image-66685\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/cop-200x109.webp 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/cop-400x218.webp 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/cop-600x327.webp 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/cop-800x436.webp 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/cop-1200x655.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 1200px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-6\"><h2><span class=\"ez-toc-section\" id=\"What_COP_tells_you_and_what_it_does_not\"><\/span>What COP tells you (and what it does not)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>COP is good for<\/strong><\/p>\n<ul>\n<li>understanding instant efficiency at a defined operating point<\/li>\n<li>comparing models when the test conditions are identical<\/li>\n<li>seeing how much efficiency changes with temperature lift (difference between source temperature and heating water temperature)<\/li>\n<\/ul>\n<p><strong>COP is not good for<\/strong><\/p>\n<ul>\n<li>predicting year-round performance<\/li>\n<li>estimating real annual electricity cost by itself<\/li>\n<\/ul>\n<p>Because COP is measured at a specific condition, it can look great on paper but still differ from your building\u2019s real operating conditions. Real-world performance often differs from lab ratings due to installation, controls, and climate.<\/p>\n<p>If you want a year-round metric, use SCOP or SPF.<\/p>\n<\/div><div class=\"fusion-text fusion-text-7\"><h2><span class=\"ez-toc-section\" id=\"Why_COP_changes_so_much\"><\/span>Why COP changes so much<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>COP is mainly driven by the temperature difference the heat pump must \u201clift\u201d:<\/p>\n<ul>\n<li>warmer heat source (e.g., mild outdoor air, stable ground loop) \u2192 higher COP<\/li>\n<li>lower required flow temperature (e.g., floor heating) \u2192 higher COP<\/li>\n<li>colder outdoor air + higher flow temperature (e.g., older radiators) \u2192 lower COP<\/li>\n<\/ul>\n<p>This relationship is widely recognized in heat pump performance literature and field analysis.<\/p>\n<\/div><div class=\"fusion-text fusion-text-8\"><h2><span class=\"ez-toc-section\" id=\"How_COP_is_tested_and_written_on_datasheets\"><\/span>How COP is tested and written on datasheets<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Manufacturers usually publish COP using standardized test methods. In Europe, COP performance testing is typically done using EN 14511, which defines rating terms and test conditions for heat pumps and similar equipment.<\/p>\n<p><strong>Typical notation you will see: A7\/W35 (example)<\/strong><\/p>\n<p>This describes the test condition:<\/p>\n<ul>\n<li>A7 = air source temperature 7\u00b0C (for air-source units)<\/li>\n<li>W35 = heating water supply (or outlet) temperature 35\u00b0C<\/li>\n<\/ul>\n<p>So A7\/W35 COP is the COP measured at those conditions.<\/p>\n<p>EN 14511 also uses multiple temperature levels \/ water outlet temperatures to represent different applications (for example low-temperature heating).<\/p>\n<p><strong>Important:<\/strong> COP numbers are only comparable when the same standard and the same test point are used.<\/p>\n<\/div><div class=\"fusion-text fusion-text-9\"><h2><span class=\"ez-toc-section\" id=\"What_is_a_%E2%80%9Cgood%E2%80%9D_COP\"><\/span>What is a \u201cgood\u201d COP?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There is no single \u201cgood COP\u201d without context, because the test point matters.<\/p>\n<p>That said, for household heating applications, a COP in the range of about 3\u20134 is commonly referenced under many typical operating conditions (and it will be higher in mild conditions, lower in cold weather or high flow temperatures).<\/p>\n<p>A more useful way to think about it is:<\/p>\n<ul>\n<li>Low-temperature heating systems (e.g., floor heating) tend to enable higher COP<\/li>\n<li>Higher-temperature heating systems require more lift and tend to reduce COP<\/li>\n<li>Air-source COP drops in colder weather and can be impacted by defrost cycles near freezing<\/li>\n<li>Ground-source systems often keep steadier source temperatures, which can stabilize efficiency (your SCOP\/SPF pages are the right place to quantify this across the season)<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"COP_vs_SCOP_vs_SPF_quick_clarity\"><\/span>COP vs SCOP vs SPF (quick clarity)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>People mix these up, so here is the clean separation:<\/p>\n<ul>\n<li><strong>COP<\/strong> = instantaneous efficiency at one defined condition (lab rating point)<\/li>\n<li><strong>SCOP<\/strong> = seasonal efficiency calculated across part-load conditions and climate profiles (EU seasonal method)<\/li>\n<li><strong>SPF<\/strong> = measured seasonal efficiency in real operation (from metering\/monitoring), often used for system-level validation<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"What_can_lower_COP_in_the_real_world\"><\/span>What can lower COP in the real world<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Even if the unit has a strong datasheet COP, system design and operation can reduce it:<\/p>\n<ul>\n<li>flow temperature set too high (common efficiency killer)<\/li>\n<li>poor hydraulic balance, wrong pump settings, or unnecessary buffer\/volume flow issues<\/li>\n<li>frequent on\/off cycling (especially at part load)<\/li>\n<li>defrost operation (air-source systems around freezing)<\/li>\n<li>controls not tuned to the building and emitter type<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"How_to_use_COP_correctly_when_comparing_heat_pumps\"><\/span>How to use COP correctly when comparing heat pumps<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Use this checklist:<\/p>\n<ul>\n<li>Match the test point (example: A7\/W35 vs A2\/W35 are not the same)<\/li>\n<li>Match the standard (e.g., EN 14511 for rated points in Europe)<\/li>\n<li>Check the application temperature (35\u00b0C vs 55\u00b0C water makes a major difference)<\/li>\n<li>Don\u2019t compare COP across different heat sources without noting the source conditions (air vs brine vs water)<\/li>\n<li>For buying decisions, confirm seasonal metrics (SCOP) and system design fit (emitters, flow temperature, controls)<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Practical_takeaway_for_homeowners_and_early_research\"><\/span>Practical takeaway for homeowners and early research<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>COP answers one simple question:<\/p>\n<p><strong>\u201cHow efficiently does the heat pump convert electricity into heat at this exact condition?\u201d<\/strong><\/p>\n<p>For a realistic expectation of bills and comfort, COP should be treated as a starting point, and then supported by:<\/p>\n<ul>\n<li>seasonal metrics (SCOP\/SPF)<\/li>\n<li>flow temperature design<\/li>\n<li>heat emitter suitability<\/li>\n<li>monitoring\/metering once installed<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" 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16px;--awb-width-large:800px;--awb-margin-top-large:0px;--awb-spacing-right-large:2%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-paragraph blink-heading\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:20px;\"><p class=\"fusion-title-heading title-heading-center title-heading-tag fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:uppercase;font-size:1em;--fontSize:20;line-height:1.8;\"><strong>Configure your personalized heat pump system!<\/strong><\/p><\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-stretch fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"--awb-flex-grow:0;--awb-flex-grow-medium:0;--awb-flex-grow-small:0;--awb-flex-shrink:0;--awb-flex-shrink-medium:0;--awb-flex-shrink-small:0;width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-3 fusion_builder_column_inner_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:-5px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-10\" style=\"--awb-margin-left:2%;\"><p style=\"text-align: left;\">Plan your heat pump system with iDM Energiesysteme. Discover efficient heating, cooling, and hot water solutions for new buildings, renovations, and modern energy systems. Configure and personalize your iDM heat pump solution in just a few clicks.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-4 fusion_builder_column_inner_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-11\"><div style=\"display: flex; align-items: center; gap: 15px; flex-wrap: wrap;\">\n<div style=\"display: flex;\"><img decoding=\"async\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-73518 aligncenter\" style=\"width: 50px; height: 50px; border-radius: 50%; border: 2px solid #000000;\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/thomas-portrait-150x150.jpg\" alt=\"Thomas Pletzer\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/thomas-portrait-66x66.jpg 66w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/thomas-portrait-150x150.jpg 150w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><br \/>\n<img decoding=\"async\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-73509 aligncenter\" style=\"width: 50px; height: 50px; border-radius: 50%; border: 2px solid #000000;\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/matthias-portrait-150x150.jpg\" alt=\"Matthias Steiner\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/matthias-portrait-66x66.jpg 66w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/matthias-portrait-150x150.jpg 150w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><br \/>\n<img decoding=\"async\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-73500 aligncenter\" style=\"width: 50px; height: 50px; border-radius: 50%; border: 2px solid #000000;\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/christian-hutter-portrait-150x150.jpg\" alt=\"Christian Hutter\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/christian-hutter-portrait-66x66.jpg 66w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/christian-hutter-portrait-150x150.jpg 150w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><br \/>\n<img decoding=\"async\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-73491 aligncenter\" style=\"width: 50px; height: 50px; border-radius: 50%; border: 2px solid #000000;\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/adrian-portrait-150x150.jpg\" alt=\"Adrian Egger\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/adrian-portrait-66x66.jpg 66w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/07\/adrian-portrait-150x150.jpg 150w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/div>\n<div style=\"color: #000000; line-height: 0.7; margin-left: 2%;\"><strong style=\"display: block;\">CONNECT WITH OUR EXPERTS<\/strong><br \/>\n<span style=\"opacity: 0.8;\">50+ Years of Heat Pumps Experience<\/span><\/div>\n<\/div>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-5 fusion_builder_column_inner_1_3 1_3 fusion-flex-column fusion-flex-align-self-center\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-center fusion-content-layout-column\"><div style=\"text-align:center;\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-2 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/konfigurator.myidm.at\/#\/?lang=EN\" rel=\"noopener\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Configure Now!<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1185.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-12 fusion-text-no-margin\" style=\"--awb-margin-bottom:5px;\"><h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQs\"><\/span>Frequently Asked Questions (FAQs)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div><div class=\"accordian fusion-accordian\" style=\"--awb-border-size:1px;--awb-icon-size:16px;--awb-content-font-size:15px;--awb-icon-alignment:right;--awb-hover-color:#f9f9fb;--awb-border-color:#e2e2e2;--awb-background-color:#ffffff;--awb-divider-color:#e2e2e2;--awb-divider-hover-color:#e2e2e2;--awb-icon-color:#009fe3;--awb-title-color:#59682f;--awb-content-color:#3f3f3f;--awb-icon-box-color:#212934;--awb-toggle-hover-accent-color:#009fe3;--awb-title-font-family:&quot;Aller&quot;;--awb-title-font-weight:700;--awb-title-font-style:normal;--awb-title-font-size:18px;--awb-content-font-family:&quot;Aller&quot;;--awb-content-font-style:normal;--awb-content-font-weight:400;\"><div class=\"panel-group fusion-toggle-icon-right fusion-toggle-icon-unboxed\" id=\"accordion-66670-1\"><div class=\"fusion-panel panel-default panel-f57fe3bddf9dc9b7b fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#59682f;--awb-content-color:#3f3f3f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_f57fe3bddf9dc9b7b\"><a aria-expanded=\"false\" aria-controls=\"f57fe3bddf9dc9b7b\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66670-1\" data-target=\"#f57fe3bddf9dc9b7b\" href=\"#f57fe3bddf9dc9b7b\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">1. What is the coefficient of performance of a heat pump?<\/span><\/a><\/h4><\/div><div id=\"f57fe3bddf9dc9b7b\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_f57fe3bddf9dc9b7b\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>The coefficient of performance (COP) of a heat pump is the ratio between the heat it delivers and the electricity it consumes at a defined operating condition.<\/p>\n<p>For example, if a heat pump supplies 4 kW of heat while using 1 kW of electricity, its COP is 4.0. This means it delivers four units of heat for every one unit of electrical energy used.<\/p>\n<p>COP describes instantaneous efficiency at a specific test point, not year-round performance.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-7ab424262cd2e42d5 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#59682f;--awb-content-color:#3f3f3f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_7ab424262cd2e42d5\"><a aria-expanded=\"false\" aria-controls=\"7ab424262cd2e42d5\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66670-1\" data-target=\"#7ab424262cd2e42d5\" href=\"#7ab424262cd2e42d5\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">2. What does coefficient of performance (COP) mean?<\/span><\/a><\/h4><\/div><div id=\"7ab424262cd2e42d5\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_7ab424262cd2e42d5\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>COP expresses how effectively a heat pump converts electrical energy into useful heating output at a given moment.<\/p>\n<p>Unlike combustion systems, a heat pump transfers existing environmental heat. Because of this transfer process, the useful heat output can be several times higher than the electricity input. That is why COP values are often greater than 1.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-89fec31ca8da2981e fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#59682f;--awb-content-color:#3f3f3f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_89fec31ca8da2981e\"><a aria-expanded=\"false\" aria-controls=\"89fec31ca8da2981e\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66670-1\" data-target=\"#89fec31ca8da2981e\" href=\"#89fec31ca8da2981e\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">3. How is heat pump COP calculated?<\/span><\/a><\/h4><\/div><div id=\"89fec31ca8da2981e\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_89fec31ca8da2981e\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"1234\" data-end=\"1273\">COP is calculated using a simple ratio:<\/p>\n<p data-start=\"1275\" data-end=\"1315\"><strong data-start=\"1275\" data-end=\"1315\">COP = Heat Output \u00f7 Electrical Input<\/strong><\/p>\n<p data-start=\"1317\" data-end=\"1323\">Where:<\/p>\n<ul data-start=\"1325\" data-end=\"1419\">\n<li data-start=\"1325\" data-end=\"1370\">\n<p data-start=\"1327\" data-end=\"1370\">Heat output is measured in kilowatts (kW)<\/p>\n<\/li>\n<li data-start=\"1371\" data-end=\"1419\">\n<p data-start=\"1373\" data-end=\"1419\">Electrical input is measured in kilowatts (kW)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1421\" data-end=\"1466\">The result has no unit because it is a ratio.<\/p>\n<p data-start=\"1468\" data-end=\"1682\">Manufacturers determine COP under standardized laboratory conditions, typically according to <strong data-start=\"1561\" data-end=\"1602\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">EN 14511<\/span><\/span><\/strong>, which defines how heat pump performance must be tested and reported in Europe.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-da95a32aba1e4f86f fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#59682f;--awb-content-color:#3f3f3f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_da95a32aba1e4f86f\"><a aria-expanded=\"false\" aria-controls=\"da95a32aba1e4f86f\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66670-1\" data-target=\"#da95a32aba1e4f86f\" href=\"#da95a32aba1e4f86f\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">4. Is a higher COP better?<\/span><\/a><\/h4><\/div><div id=\"da95a32aba1e4f86f\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_da95a32aba1e4f86f\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"1721\" data-end=\"1843\">Yes, under the same test conditions, a higher COP means the heat pump produces more heat per unit of electricity consumed.<\/p>\n<p data-start=\"1845\" data-end=\"1889\">However, COP values can only be compared if:<\/p>\n<ul data-start=\"1891\" data-end=\"2012\">\n<li data-start=\"1891\" data-end=\"1925\">\n<p data-start=\"1893\" data-end=\"1925\">The same test standard is used<\/p>\n<\/li>\n<li data-start=\"1926\" data-end=\"1965\">\n<p data-start=\"1928\" data-end=\"1965\">The same source temperature is used<\/p>\n<\/li>\n<li data-start=\"1966\" data-end=\"2012\">\n<p data-start=\"1968\" data-end=\"2012\">The same heating water temperature is used<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2014\" data-end=\"2118\">A COP measured at mild outdoor conditions will naturally be higher than one measured in cold conditions.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-b52ca07da7f2a20d8 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#59682f;--awb-content-color:#3f3f3f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_b52ca07da7f2a20d8\"><a aria-expanded=\"false\" aria-controls=\"b52ca07da7f2a20d8\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66670-1\" data-target=\"#b52ca07da7f2a20d8\" href=\"#b52ca07da7f2a20d8\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">5. What is considered a good COP for a heat pump?<\/span><\/a><\/h4><\/div><div id=\"b52ca07da7f2a20d8\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_b52ca07da7f2a20d8\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>There is no universal \u201cgood\u201d COP without context, because the test condition strongly influences the result.<\/p>\n<p>For many residential heating applications at moderate source temperatures and low flow temperatures, COP values around 3 to 4 are common. In milder conditions or with low-temperature systems such as floor heating, COP can be higher. In colder conditions or high flow temperature systems, it will be lower.<\/p>\n<p>The more important factor for homeowners is seasonal performance (such as SCOP), not a single test-point COP value.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-1824c313b347b1b34 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#59682f;--awb-content-color:#3f3f3f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_1824c313b347b1b34\"><a aria-expanded=\"false\" aria-controls=\"1824c313b347b1b34\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66670-1\" data-target=\"#1824c313b347b1b34\" href=\"#1824c313b347b1b34\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">6. Can COP be greater than 1?<\/span><\/a><\/h4><\/div><div id=\"1824c313b347b1b34\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_1824c313b347b1b34\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"2754\" data-end=\"2796\">Yes. In fact, it is normal for heat pumps.<\/p>\n<p data-start=\"2798\" data-end=\"3080\">COP can be greater than 1 because a heat pump moves heat from the environment instead of generating it directly from electricity. The electrical energy is mainly used to operate the compressor and system components, while most of the delivered heat comes from air, ground, or water.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-842a56e41b0950c1b fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#59682f;--awb-content-color:#3f3f3f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_842a56e41b0950c1b\"><a aria-expanded=\"false\" aria-controls=\"842a56e41b0950c1b\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66670-1\" data-target=\"#842a56e41b0950c1b\" href=\"#842a56e41b0950c1b\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">7. Why can COP be greater than 1?<\/span><\/a><\/h4><\/div><div id=\"842a56e41b0950c1b\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_842a56e41b0950c1b\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"3126\" data-end=\"3198\">COP can exceed 1 because it measures <strong data-start=\"3163\" data-end=\"3177\">heat moved<\/strong>, not energy created.<\/p>\n<p data-start=\"3200\" data-end=\"3362\">If a heat pump uses 1 kW of electricity and extracts 3 kW of environmental heat, it can deliver around 4 kW of total heating output. The ratio (4 \u00f7 1) equals 4.0.<\/p>\n<p data-start=\"3364\" data-end=\"3496\">This does not violate energy conservation. The system is transferring heat from the environment and upgrading its temperature level.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-3c0db6e101fd22b26 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#59682f;--awb-content-color:#3f3f3f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_3c0db6e101fd22b26\"><a aria-expanded=\"false\" aria-controls=\"3c0db6e101fd22b26\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66670-1\" data-target=\"#3c0db6e101fd22b26\" href=\"#3c0db6e101fd22b26\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">8. Is COP the same as efficiency?<\/span><\/a><\/h4><\/div><div id=\"3c0db6e101fd22b26\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_3c0db6e101fd22b26\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"3542\" data-end=\"3592\">No. COP is not the same as traditional efficiency.<\/p>\n<p data-start=\"3594\" data-end=\"3751\">Conventional heating efficiency (such as a gas boiler) compares output heat to fuel input and is expressed as a percentage, typically below or close to 100%.<\/p>\n<p data-start=\"3753\" data-end=\"3891\">COP is a performance ratio for heat transfer systems and can be higher than 1 because it includes environmental heat energy in the output.<\/p>\n<p data-start=\"3893\" data-end=\"4024\">For annual evaluation, seasonal metrics such as SCOP or real measured system performance are more suitable than a single COP value.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":34,"featured_media":2902,"parent":66448,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-66670","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/66670","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/users\/34"}],"replies":[{"embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/comments?post=66670"}],"version-history":[{"count":0,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/66670\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/66448"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/media\/2902"}],"wp:attachment":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/media?parent=66670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}