{"id":65345,"date":"2026-01-23T10:50:40","date_gmt":"2026-01-23T09:50:40","guid":{"rendered":"https:\/\/www.idm-energie.at\/?page_id=65345"},"modified":"2026-07-06T13:31:11","modified_gmt":"2026-07-06T11:31:11","slug":"split-heat-pump","status":"publish","type":"page","link":"https:\/\/www.idm-energie.at\/en\/heat-pump-types\/split-heat-pump\/","title":{"rendered":"Split Heat Pump"},"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-center 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-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-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;--fontSize:42;line-height:1;\">SPLIT HEAT PUMP<\/h1><\/div><div class=\"fusion-text fusion-text-1\"><p>A split heat pump is a heat pump system configuration defined by the physical separation of its main components into an outdoor unit and an indoor unit. These units are connected by refrigerant piping, forming one operating refrigeration circuit across two system modules. In the broader heat pump taxonomy, the split heat pump is classified by system architecture rather than by heat source, temperature level, or building application. Understanding this configuration helps clarify how split heat pumps differ from monoblock systems and how they connect to a building\u2019s heating and domestic hot water infrastructure.<\/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;\">\n<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\" margin-left: -15px; 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\" margin-left: -15px; 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\" margin-left: -15px; 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\" \/><\/p>\n<\/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-padding-top:2%;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-stretch fusion-flex-content-wrap\" style=\"max-width:calc( 1140px + 30px );margin-left: calc(-30px \/ 2 );margin-right: calc(-30px \/ 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:15px;--awb-margin-bottom-large:80px;--awb-spacing-left-large:15px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:15px;--awb-spacing-left-medium:15px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\"><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-types\/split-heat-pump\/#Definition_of_Split_Heat_Pump\" >Definition of Split Heat Pump<\/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-types\/split-heat-pump\/#Architecture_of_a_Split_Heat_Pump_System\" >Architecture of a Split Heat Pump System<\/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-types\/split-heat-pump\/#Role_of_a_Split_Heat_Pump_in_a_Heating_System\" >Role of a Split Heat Pump in a Heating System<\/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-types\/split-heat-pump\/#How_a_Split_Heat_Pump_Works_System_Overview\" >How a Split Heat Pump Works (System Overview)<\/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-types\/split-heat-pump\/#System_Layout_and_Installation_Boundaries\" >System Layout and Installation Boundaries<\/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-types\/split-heat-pump\/#Performance_and_Operating_Conditions\" >Performance and Operating Conditions<\/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-types\/split-heat-pump\/#Classification_of_Split_Heat_Pumps_Within_Heat_Pump_Categories\" >Classification of Split Heat Pumps Within Heat Pump Categories<\/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-types\/split-heat-pump\/#Use_Context_of_Split_Heat_Pumps\" >Use Context of Split 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-types\/split-heat-pump\/#Frequently_Asked_Questions_FAQs\" >Frequently Asked Questions (FAQs)<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Definition_of_Split_Heat_Pump\"><\/span>Definition of Split Heat Pump<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A split heat pump is a heat pump system configuration in which the refrigeration circuit is divided between an outdoor unit and an indoor unit connected by refrigerant piping.<\/p>\n<p>This configuration differs from <a href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-types\/monoblock-heat-pump\/\">monoblock heat pump system<\/a>, where all refrigeration components are contained within a single outdoor housing. Both split and monoblock systems use the same underlying <a href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-technology\/\">heat pump technology<\/a>. The difference lies in how system components are physically arranged and connected.<\/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=\"Split heat pump system with outdoor unit and indoor unit connected by refrigerant piping\" title=\"split-heat-pump-system\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-system-1024x559.webp\" class=\"img-responsive wp-image-65379\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-system-200x109.webp 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-system-400x218.webp 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-system-600x327.webp 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-system-800x437.webp 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-system-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=\"Architecture_of_a_Split_Heat_Pump_System\"><\/span>Architecture of a Split Heat Pump System<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3>Outdoor and Indoor Unit Layout<\/h3>\n<p>A split heat pump system consists of a physically separated outdoor unit and indoor unit that together form the system structure. The outdoor unit interfaces with the external heat source environment, while the indoor unit interfaces with the building heating system.<\/p>\n<h3>Refrigerant Connection Between Units<\/h3>\n<p>The outdoor and indoor units are connected by refrigerant piping that physically links both system modules into a single operating circuit. This connection is a defining characteristic of split systems and distinguishes them from configurations that rely solely on hydronic piping between components.<\/p>\n<h3>Connection to the Building Heating System<\/h3>\n<p>The indoor unit forms the interface between the split heat pump system and the building\u2019s internal <strong>heat distribution systems<\/strong> and domestic hot water infrastructure. This interface allows generated thermal energy to be transferred into the building\u2019s heating and domestic hot water systems.<\/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-2 hover-type-none\" style=\"border:3px solid #333333;\"><img decoding=\"async\" width=\"1024\" height=\"559\" alt=\"Split heat pump layout showing outdoor unit interface and indoor unit connection to building heating system\" title=\"split-heat-pump-layout\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-layout-1024x559.webp\" class=\"img-responsive wp-image-65370\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-layout-200x109.webp 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-layout-400x218.webp 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-layout-600x327.webp 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-layout-800x437.webp 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-layout-1200x655.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 1200px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-7\"><h2><span class=\"ez-toc-section\" id=\"Role_of_a_Split_Heat_Pump_in_a_Heating_System\"><\/span>Role of a Split Heat Pump in a Heating System<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Within a complete heating system, a split heat pump performs the heat generation function. It supplies upgraded thermal energy to downstream system components responsible for heat distribution, thermal storage, and system regulation.<\/p>\n<p>Although heat generation, heat distribution, and system control represent separate technical layers, the split configuration determines how these layers are physically connected rather than how heat is produced.<\/p>\n<\/div><div class=\"fusion-text fusion-text-8\"><h2><span class=\"ez-toc-section\" id=\"How_a_Split_Heat_Pump_Works_System_Overview\"><\/span>How a Split Heat Pump Works (System Overview)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A split heat pump operates using the same fundamental principles as standard <a href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-technology\/\">heat pump technology<\/a>, while differing in how system components are physically arranged between indoor and outdoor units.<\/p>\n<p>Heat generation is distributed across the outdoor and indoor modules according to the split system architecture.<\/p>\n<p>For detailed physical process explanations, refer to the <strong>thermodynamic cycle<\/strong> of 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-3 hover-type-none\" style=\"border:3px solid #333333;\"><img decoding=\"async\" width=\"1024\" height=\"559\" alt=\"Working principles of split heat pump system\" title=\"split-heat-pump-working\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-working-1024x559.webp\" class=\"img-responsive wp-image-65361\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-working-200x109.webp 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-working-400x218.webp 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-working-600x327.webp 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-working-800x437.webp 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/split-heat-pump-working-1200x655.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 1200px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-9\"><h2><span class=\"ez-toc-section\" id=\"System_Layout_and_Installation_Boundaries\"><\/span>System Layout and Installation Boundaries<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The split configuration defines the physical boundaries between outdoor and indoor system components.<\/p>\n<p>The outdoor unit establishes the interface between the heat pump system and the surrounding environment. The indoor unit establishes the interface between the heat pump system and the building\u2019s internal heating infrastructure.<\/p>\n<p>A defining feature of split systems is the refrigerant connection between these two modules, which distinguishes this configuration from monoblock system layouts.<\/p>\n<p>Detailed installation requirements are covered in the <strong>heat pump installation<\/strong> section.<\/p>\n<\/div><div class=\"fusion-text fusion-text-10\"><h2><span class=\"ez-toc-section\" id=\"Performance_and_Operating_Conditions\"><\/span>Performance and Operating Conditions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The split configuration itself does not determine system performance. Overall performance depends on operating conditions and system integration factors rather than configuration type alone.<\/p>\n<p>Standard performance criteria for split systems are applied under specified operating conditions and are addressed separately within the <strong>heat pump efficiency framework.<\/strong><\/p>\n<\/div><div class=\"fusion-text fusion-text-11\"><h2><span class=\"ez-toc-section\" id=\"Classification_of_Split_Heat_Pumps_Within_Heat_Pump_Categories\"><\/span>Classification of Split Heat Pumps Within Heat Pump Categories<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Split heat pumps are part of the broader <a href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-types\/\">heat pump types<\/a> classification system, which organizes heat pump systems based on configuration, temperature level, and application context.<\/p>\n<p>Split heat pumps represent one classification dimension within the broader heat pump taxonomy. This configuration layer intersects with other classification perspectives, including:<\/p>\n<ul>\n<li><strong>Heat source type<\/strong> (such as air, ground, or water)<\/li>\n<li><strong>Temperature level category<\/strong> (such as low-temperature or high-temperature systems)<\/li>\n<li><strong>Application context<\/strong> (such as residential, commercial, or industrial use)<\/li>\n<\/ul>\n<p>The split classification describes the physical configuration of the heat pump system rather than heat source selection, temperature capability, or application suitability.<\/p>\n<\/div><div class=\"fusion-text fusion-text-12\"><h2 data-start=\"4633\" data-end=\"4669\"><span class=\"ez-toc-section\" id=\"Use_Context_of_Split_Heat_Pumps\"><\/span>Use Context of Split Heat Pumps<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4671\" data-end=\"4933\">Split heat pump systems are used across a wide range of building contexts depending on system design, spatial layout, and installation conditions. Actual suitability depends on building characteristics and engineering design rather than configuration type alone. Building-specific applications are described in the <strong data-start=\"4421\" data-end=\"4447\">heat pump applications<\/strong> section.<\/p>\n<\/div><div class=\"fusion-text fusion-text-13\"><p data-start=\"4954\" data-end=\"5423\">A split heat pump is a heat pump system configuration in which the refrigeration circuit is distributed between an outdoor unit and an indoor unit connected by refrigerant piping. This architectural arrangement defines how system components are physically separated and connected while preserving the same underlying heat pump operating principles. The split configuration represents one of several classification perspectives used to describe modern heat pump systems.<\/p>\n<\/div><div class=\"fusion-text fusion-text-14 fusion-text-no-margin\" style=\"--awb-margin-bottom:5px;\"><p>Split heat pumps represent a specific architectural form of heat pump system in which the refrigeration circuit is divided between outdoor and indoor units. This split layout influences installation boundaries, system connections, and the interface with the building heating system, but it does not change the fundamental heat pump operating principle. As part of the wider heat pump category, split heat pumps should be understood as a configuration-based entity that intersects with other classifications, such as air-source systems, low- or high-temperature systems, and residential or commercial applications.<\/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-15\" 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-16\"><div style=\"display: flex; align-items: center; gap: 15px; flex-wrap: wrap;\">\n<div style=\"display: flex;\">\n<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\" margin-left: -15px; 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\" margin-left: -15px; 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\" margin-left: -15px; 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\" \/><\/p>\n<\/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-padding-top:2%;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-stretch fusion-flex-content-wrap\" style=\"max-width:calc( 1140px + 30px );margin-left: calc(-30px \/ 2 );margin-right: calc(-30px \/ 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:15px;--awb-margin-bottom-large:80px;--awb-spacing-left-large:15px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:15px;--awb-spacing-left-medium:15px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\"><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-17 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-65345-1\"><div class=\"fusion-panel panel-default panel-790fa80235b5d2871 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_790fa80235b5d2871\"><a aria-expanded=\"false\" aria-controls=\"790fa80235b5d2871\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65345-1\" data-target=\"#790fa80235b5d2871\" href=\"#790fa80235b5d2871\"><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 a split heat pump?<\/span><\/a><\/h4><\/div><div id=\"790fa80235b5d2871\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_790fa80235b5d2871\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>A split heat pump is a heat pump system configuration in which the refrigeration circuit is divided between an outdoor unit and an indoor unit connected by refrigerant piping. This layout defines how the system components are physically arranged rather than how heat is generated.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-b5a37e139625e904a 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_b5a37e139625e904a\"><a aria-expanded=\"false\" aria-controls=\"b5a37e139625e904a\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65345-1\" data-target=\"#b5a37e139625e904a\" href=\"#b5a37e139625e904a\"><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 is the difference between a split heat pump and a monoblock heat pump?<\/span><\/a><\/h4><\/div><div id=\"b5a37e139625e904a\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_b5a37e139625e904a\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>The main difference lies in system architecture. In a split heat pump, the refrigeration circuit is distributed between indoor and outdoor units connected by refrigerant lines. In a monoblock system, all refrigeration components are contained within a single outdoor unit, and the building connection is typically made using hydronic piping.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-aeb0a592c76ece8b9 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_aeb0a592c76ece8b9\"><a aria-expanded=\"false\" aria-controls=\"aeb0a592c76ece8b9\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65345-1\" data-target=\"#aeb0a592c76ece8b9\" href=\"#aeb0a592c76ece8b9\"><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 does a split heat pump work?<\/span><\/a><\/h4><\/div><div id=\"aeb0a592c76ece8b9\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_aeb0a592c76ece8b9\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>A split heat pump operates using the same basic heat pump technology as other system configurations. The distinguishing factor is that heat generation is distributed across physically separated indoor and outdoor modules, which together deliver thermal energy to the building heating system.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-d65dcc97a111ab2c9 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_d65dcc97a111ab2c9\"><a aria-expanded=\"false\" aria-controls=\"d65dcc97a111ab2c9\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65345-1\" data-target=\"#d65dcc97a111ab2c9\" href=\"#d65dcc97a111ab2c9\"><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. Does a split heat pump use refrigerant piping inside the building?<\/span><\/a><\/h4><\/div><div id=\"d65dcc97a111ab2c9\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_d65dcc97a111ab2c9\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Yes. In a split heat pump system, refrigerant piping connects the outdoor and indoor units. This piping forms the closed circuit between both system modules.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-e5cbf0a2eb457401f 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_e5cbf0a2eb457401f\"><a aria-expanded=\"false\" aria-controls=\"e5cbf0a2eb457401f\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65345-1\" data-target=\"#e5cbf0a2eb457401f\" href=\"#e5cbf0a2eb457401f\"><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. Is a split heat pump a different technology than other heat pumps?<\/span><\/a><\/h4><\/div><div id=\"e5cbf0a2eb457401f\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_e5cbf0a2eb457401f\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>No. A split heat pump uses the same underlying heat pump technology as monoblock and other system configurations. The difference is related to physical system layout and component placement rather than operating principles.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-4ba010b7dc3716ad2 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_4ba010b7dc3716ad2\"><a aria-expanded=\"false\" aria-controls=\"4ba010b7dc3716ad2\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65345-1\" data-target=\"#4ba010b7dc3716ad2\" href=\"#4ba010b7dc3716ad2\"><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. Where is the indoor unit of a split heat pump installed?<\/span><\/a><\/h4><\/div><div id=\"4ba010b7dc3716ad2\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_4ba010b7dc3716ad2\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>The indoor unit is installed inside the building and serves as the interface between the split heat pump system and the building\u2019s heating and hot water infrastructure.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-ce9efce37cd64075f 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_ce9efce37cd64075f\"><a aria-expanded=\"false\" aria-controls=\"ce9efce37cd64075f\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65345-1\" data-target=\"#ce9efce37cd64075f\" href=\"#ce9efce37cd64075f\"><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. Are split heat pumps used in residential and commercial buildings?<\/span><\/a><\/h4><\/div><div id=\"ce9efce37cd64075f\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_ce9efce37cd64075f\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Split heat pump systems are used in both residential and commercial building contexts. Actual use depends on building design and system integration rather than configuration type alone.<\/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":64722,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-65345","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/65345","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=65345"}],"version-history":[{"count":0,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/65345\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/64722"}],"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=65345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}