{"id":66864,"date":"2026-02-24T13:37:10","date_gmt":"2026-02-24T12:37:10","guid":{"rendered":"https:\/\/www.idm-energie.at\/?page_id=66864"},"modified":"2026-07-06T15:20:42","modified_gmt":"2026-07-06T13:20:42","slug":"en-14825","status":"publish","type":"page","link":"https:\/\/www.idm-energie.at\/en\/heat-pump-efficiency\/en-14825\/","title":{"rendered":"EN 14825 Standard"},"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;\">EN 14825 in Heat Pump Efficiency<\/h1><\/div><div class=\"fusion-text fusion-text-1\"><p>When you see seasonal efficiency values such as SCOP or SEER on a heat pump energy label, those figures are calculated according to EN 14825.<\/p>\n<p>EN 14825 is the European standard that defines how seasonal heating and cooling efficiency must be calculated. It ensures that products are assessed under realistic seasonal conditions rather than a single laboratory test point.<\/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, 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-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_85 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\/en-14825\/#What_Is_EN_14825\" >What Is EN 14825?<\/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\/en-14825\/#Why_EN_14825_Matters\" >Why EN 14825 Matters<\/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\/en-14825\/#How_EN_14825_Works\" >How EN 14825 Works<\/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\/en-14825\/#EN_14825_vs_EN_14511\" >EN 14825 vs EN 14511<\/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\/en-14825\/#EN_14825_and_Energy_Labeling\" >EN 14825 and Energy Labeling<\/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\/en-14825\/#What_EN_14825_Does_Not_Measure\" >What EN 14825 Does Not Measure<\/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\/en-14825\/#Practical_Interpretation\" >Practical Interpretation<\/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\/en-14825\/#Key_Takeaway\" >Key Takeaway<\/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\/en-14825\/#Frequently_Asked_Questions_FAQs\" >Frequently Asked Questions (FAQs)<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_EN_14825\"><\/span>What Is EN 14825?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>EN 14825 is a European standard that specifies how to calculate:<\/p>\n<ul>\n<li>SCOP (Seasonal Coefficient of Performance) for heating<\/li>\n<li>SEER (Seasonal Energy Efficiency Ratio) for cooling<\/li>\n<\/ul>\n<p>Unlike point-based standards, EN 14825 evaluates performance across a range of outdoor temperatures and part-load conditions.<\/p>\n<p>Its purpose is to provide a more realistic representation of how heat pumps operate over an entire season.<\/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=\"en-14825 calculates seasonal efficiency of heat pumps\" title=\"en-14825\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/en-14825-1024x559.webp\" class=\"img-responsive wp-image-66876\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/en-14825-200x109.webp 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/en-14825-400x218.webp 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/en-14825-600x327.webp 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/en-14825-800x436.webp 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/02\/en-14825-1200x655.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=\"Why_EN_14825_Matters\"><\/span>Why EN 14825 Matters<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Heat pumps rarely operate at one fixed temperature. Outdoor conditions change daily and seasonally.<\/p>\n<p>A single COP value cannot reflect:<\/p>\n<ul>\n<li>Part-load operation<\/li>\n<li>Temperature fluctuations<\/li>\n<li>Standby electricity consumption<\/li>\n<li>Auxiliary components<\/li>\n<li>Defrost cycles (for air-source systems)<\/li>\n<\/ul>\n<p>EN 14825 addresses this by calculating seasonal performance using multiple temperature bins and load distributions.<\/p>\n<p>This provides a more accurate basis for:<\/p>\n<ul>\n<li>Product comparison<\/li>\n<li>Energy labeling<\/li>\n<li>Regulatory compliance<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"How_EN_14825_Works\"><\/span>How EN 14825 Works<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>EN 14825 uses performance data measured under EN 14511 as input.<\/p>\n<p>The calculation process includes:<\/p>\n<h3>Climate Profiles<\/h3>\n<p>Three standardized European climate conditions:<\/p>\n<ul>\n<li>Warmer<\/li>\n<li>Average<\/li>\n<li>Colder<\/li>\n<\/ul>\n<p>These profiles reflect different seasonal temperature distributions.<\/p>\n<h3>Part-Load Conditions<\/h3>\n<p>Heat pumps often operate below full capacity. EN 14825 includes part-load performance, which is especially important for inverter-driven systems.<\/p>\n<h3>Temperature Bins<\/h3>\n<p>Outdoor temperatures are divided into defined ranges (bins). The system\u2019s efficiency is weighted according to how frequently each temperature occurs during the season.<\/p>\n<h3>Auxiliary Electricity<\/h3>\n<p>The calculation includes:<\/p>\n<ul>\n<li>Standby consumption<\/li>\n<li>Crankcase heaters<\/li>\n<li>Circulation pumps (where applicable)<\/li>\n<li>Off-mode consumption<\/li>\n<\/ul>\n<p>This ensures seasonal efficiency reflects total system electricity use under standardized assumptions.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"EN_14825_vs_EN_14511\"><\/span>EN 14825 vs EN 14511<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>These two standards work together but serve different purposes:<\/p>\n<ul>\n<li><strong>EN 14511<\/strong> \u2192 Measures performance at fixed test conditions (COP, EER).<\/li>\n<li><strong>EN 14825<\/strong> \u2192 Calculates seasonal efficiency (SCOP, SEER) using multiple conditions.<\/li>\n<\/ul>\n<p>In simple terms:<\/p>\n<ul>\n<li>EN 14511 = laboratory test point measurement<\/li>\n<li>EN 14825 = seasonal performance calculation<\/li>\n<\/ul>\n<p>Both are essential for transparent performance reporting.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"EN_14825_and_Energy_Labeling\"><\/span>EN 14825 and Energy Labeling<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Seasonal efficiency values calculated under EN 14825 are used in European energy labeling regulations, including:<\/p>\n<ul>\n<li>EU Ecodesign Regulation 813\/2013<\/li>\n<\/ul>\n<p>SCOP values determine seasonal space heating efficiency (\u03b7s), which directly affects energy class ratings.<\/p>\n<p>Without EN 14825, consistent seasonal labeling across Europe would not be possible.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_EN_14825_Does_Not_Measure\"><\/span>What EN 14825 Does Not Measure<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>EN 14825 does not:<\/p>\n<ul>\n<li>Measure real installed system performance<\/li>\n<li>Account for installation quality<\/li>\n<li>Reflect individual user behavior<\/li>\n<li>Represent site-specific climate beyond standardized profiles<\/li>\n<\/ul>\n<p>Measured real-world efficiency is described using Seasonal Performance Factor (SPF).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Practical_Interpretation\"><\/span>Practical Interpretation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When reviewing a heat pump:<\/p>\n<ol>\n<li>Look at the SCOP or SEER value.<\/li>\n<li>Confirm it is calculated according to EN 14825.<\/li>\n<li>Check which climate profile applies.<\/li>\n<li>Understand that it is a standardized seasonal estimate, not a guaranteed energy bill result.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Key_Takeaway\"><\/span>Key Takeaway<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>EN 14825 is the European standard that defines how seasonal heating and cooling efficiency of heat pumps is calculated.<\/p>\n<p>It ensures:<\/p>\n<ul>\n<li>Consistent seasonal comparison<\/li>\n<li>Transparent energy labeling<\/li>\n<li>Inclusion of part-load and auxiliary consumption<\/li>\n<li>Standardized climate-based evaluation<\/li>\n<\/ul>\n<p>Understanding EN 14825 helps you interpret SCOP and SEER values correctly and compare heat pump efficiency on a seasonal basis.<\/p>\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\" 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-3 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-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-7\" 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-8\"><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-9 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-66864-1\"><div class=\"fusion-panel panel-default panel-f5742b62ff451ad0d 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_f5742b62ff451ad0d\"><a aria-expanded=\"false\" aria-controls=\"f5742b62ff451ad0d\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66864-1\" data-target=\"#f5742b62ff451ad0d\" href=\"#f5742b62ff451ad0d\"><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 EN 14825?<\/span><\/a><\/h4><\/div><div id=\"f5742b62ff451ad0d\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_f5742b62ff451ad0d\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"280\" data-end=\"410\"><strong data-start=\"280\" data-end=\"321\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">EN 14825<\/span><\/span><\/strong> is a European standard that defines how seasonal efficiency of heat pumps is calculated.<\/p>\n<p data-start=\"412\" data-end=\"442\">It specifies how to determine:<\/p>\n<ul data-start=\"444\" data-end=\"558\">\n<li data-start=\"444\" data-end=\"502\">\n<p data-start=\"446\" data-end=\"502\">SCOP (Seasonal Coefficient of Performance) for heating<\/p>\n<\/li>\n<li data-start=\"503\" data-end=\"558\">\n<p data-start=\"505\" data-end=\"558\">SEER (Seasonal Energy Efficiency Ratio) for cooling<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"560\" data-end=\"670\">The standard ensures that seasonal performance values are calculated using consistent and transparent methods.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-f5023bd6d16a53975 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_f5023bd6d16a53975\"><a aria-expanded=\"false\" aria-controls=\"f5023bd6d16a53975\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66864-1\" data-target=\"#f5023bd6d16a53975\" href=\"#f5023bd6d16a53975\"><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 EN 14825 measure?<\/span><\/a><\/h4><\/div><div id=\"f5023bd6d16a53975\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_f5023bd6d16a53975\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"713\" data-end=\"779\">EN 14825 does not measure performance at a single operating point.<\/p>\n<p data-start=\"781\" data-end=\"830\">Instead, it calculates seasonal efficiency using:<\/p>\n<ul data-start=\"832\" data-end=\"981\">\n<li data-start=\"832\" data-end=\"869\">\n<p data-start=\"834\" data-end=\"869\">Multiple outdoor temperature bins<\/p>\n<\/li>\n<li data-start=\"870\" data-end=\"893\">\n<p data-start=\"872\" data-end=\"893\">Part-load operation<\/p>\n<\/li>\n<li data-start=\"894\" data-end=\"943\">\n<p data-start=\"896\" data-end=\"943\">Auxiliary and standby electricity consumption<\/p>\n<\/li>\n<li data-start=\"944\" data-end=\"981\">\n<p data-start=\"946\" data-end=\"981\">Defined European climate profiles<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"983\" data-end=\"1055\">This provides a seasonal estimate rather than a single test-point value.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-792a0f56cf36356cc 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_792a0f56cf36356cc\"><a aria-expanded=\"false\" aria-controls=\"792a0f56cf36356cc\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66864-1\" data-target=\"#792a0f56cf36356cc\" href=\"#792a0f56cf36356cc\"><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 EN 14825 different from EN 14511?<\/span><\/a><\/h4><\/div><div id=\"792a0f56cf36356cc\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_792a0f56cf36356cc\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"1111\" data-end=\"1257\"><strong data-start=\"1111\" data-end=\"1152\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">EN 14511<\/span><\/span><\/strong> defines how heating and cooling capacity and efficiency are measured at specific laboratory test points.<\/p>\n<p data-start=\"1259\" data-end=\"1371\">EN 14825 uses those measured data points to calculate seasonal efficiency across varying temperatures and loads.<\/p>\n<p data-start=\"1373\" data-end=\"1389\">In simple terms:<\/p>\n<ul data-start=\"1391\" data-end=\"1485\">\n<li data-start=\"1391\" data-end=\"1437\">\n<p data-start=\"1393\" data-end=\"1437\">EN 14511 = point-based performance testing<\/p>\n<\/li>\n<li data-start=\"1438\" data-end=\"1485\">\n<p data-start=\"1440\" data-end=\"1485\">EN 14825 = seasonal performance calculation<\/p>\n<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-adb623289026992a9 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_adb623289026992a9\"><a aria-expanded=\"false\" aria-controls=\"adb623289026992a9\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66864-1\" data-target=\"#adb623289026992a9\" href=\"#adb623289026992a9\"><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. Why is EN 14825 important for energy labeling?<\/span><\/a><\/h4><\/div><div id=\"adb623289026992a9\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_adb623289026992a9\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"1547\" data-end=\"1712\">Seasonal efficiency values calculated under EN 14825 are used for European energy labeling and regulatory compliance under <strong data-start=\"1670\" data-end=\"1711\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">EU Ecodesign Regulation 813\/2013<\/span><\/span><\/strong>.<\/p>\n<p data-start=\"1714\" data-end=\"1843\">SCOP values directly influence seasonal space heating efficiency (\u03b7s), which determines the energy class shown on product labels.<\/p>\n<p data-start=\"1845\" data-end=\"1924\">Standardized seasonal calculation ensures fair comparison across manufacturers.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-7cdf6c3ac0803d47e 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_7cdf6c3ac0803d47e\"><a aria-expanded=\"false\" aria-controls=\"7cdf6c3ac0803d47e\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66864-1\" data-target=\"#7cdf6c3ac0803d47e\" href=\"#7cdf6c3ac0803d47e\"><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. Does EN 14825 reflect real-world performance?<\/span><\/a><\/h4><\/div><div id=\"7cdf6c3ac0803d47e\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_7cdf6c3ac0803d47e\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"1985\" data-end=\"2093\">EN 14825 provides a standardized seasonal estimate based on defined climate conditions and load assumptions.<\/p>\n<p data-start=\"2095\" data-end=\"2135\">Actual installed performance depends on:<\/p>\n<ul data-start=\"2137\" data-end=\"2260\">\n<li data-start=\"2137\" data-end=\"2161\">\n<p data-start=\"2139\" data-end=\"2161\">Installation quality<\/p>\n<\/li>\n<li data-start=\"2162\" data-end=\"2191\">\n<p data-start=\"2164\" data-end=\"2191\">Flow temperature settings<\/p>\n<\/li>\n<li data-start=\"2192\" data-end=\"2213\">\n<p data-start=\"2194\" data-end=\"2213\">Climate variation<\/p>\n<\/li>\n<li data-start=\"2214\" data-end=\"2242\">\n<p data-start=\"2216\" data-end=\"2242\">Building characteristics<\/p>\n<\/li>\n<li data-start=\"2243\" data-end=\"2260\">\n<p data-start=\"2245\" data-end=\"2260\">User behavior<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2262\" data-end=\"2366\">Measured real-world seasonal performance is typically described using Seasonal Performance Factor (SPF).<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-40814374ec024c946 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_40814374ec024c946\"><a aria-expanded=\"false\" aria-controls=\"40814374ec024c946\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-66864-1\" data-target=\"#40814374ec024c946\" href=\"#40814374ec024c946\"><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. Which climate zones are used in EN 14825?<\/span><\/a><\/h4><\/div><div id=\"40814374ec024c946\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_40814374ec024c946\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-start=\"2423\" data-end=\"2472\">EN 14825 defines three European climate profiles:<\/p>\n<ul data-start=\"2474\" data-end=\"2507\">\n<li data-start=\"2474\" data-end=\"2484\">\n<p data-start=\"2476\" data-end=\"2484\">Warmer<\/p>\n<\/li>\n<li data-start=\"2485\" data-end=\"2496\">\n<p data-start=\"2487\" data-end=\"2496\">Average<\/p>\n<\/li>\n<li data-start=\"2497\" data-end=\"2507\">\n<p data-start=\"2499\" data-end=\"2507\">Colder<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2509\" data-end=\"2620\">These profiles represent different seasonal temperature distributions to ensure fair comparison across regions.<\/p>\n<p data-start=\"2622\" data-end=\"2727\">Manufacturers must declare seasonal efficiency values according to these standardized climate categories.<\/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-66864","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/66864","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=66864"}],"version-history":[{"count":0,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/66864\/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=66864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}