{"id":65703,"date":"2026-01-30T09:01:53","date_gmt":"2026-01-30T08:01:53","guid":{"rendered":"https:\/\/www.idm-energie.at\/?page_id=65703"},"modified":"2026-07-06T13:39:09","modified_gmt":"2026-07-06T11:39:09","slug":"air","status":"publish","type":"page","link":"https:\/\/www.idm-energie.at\/en\/heat-sources\/air\/","title":{"rendered":"Air"},"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-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;\">Air as a Heat Source for Heat Pumps<\/h1><\/div><div class=\"fusion-text fusion-text-1\"><p>Air is one of the most accessible environmental heat sources for heat pump systems. In an air-source heat pump, outdoor ambient air acts as the energy reservoir from which usable thermal energy is extracted and transferred into a building. This makes air an important heat source entity within heat pump technology, especially for residential heating, because it is available almost everywhere and does not require drilling, excavation, or access to groundwater.<\/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-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-sources\/air\/#What_Is_Air_as_a_Heat_Source\" >What Is Air as a Heat Source?<\/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-sources\/air\/#How_Heat_Is_Extracted_From_Outdoor_Air\" >How Heat Is Extracted From Outdoor Air<\/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-sources\/air\/#Seasonal_Behavior_of_Air_Heat_Sources\" >Seasonal Behavior of Air Heat Sources<\/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-sources\/air\/#Availability_of_Air_as_a_Heat_Source\" >Availability of Air as a Heat Source<\/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-sources\/air\/#Air_Heat_Source_vs_Other_Environmental_Heat_Sources\" >Air Heat Source vs Other Environmental Heat Sources<\/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-sources\/air\/#Air_Heat_Source_and_Heat_Pump_Technology\" >Air Heat Source and Heat Pump Technology<\/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-sources\/air\/#Air_Heat_Source_in_System_Context\" >Air Heat Source in System Context<\/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-sources\/air\/#Frequently_Asked_Questions_FAQs\" >Frequently Asked Questions (FAQs)<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_Air_as_a_Heat_Source\"><\/span>What Is Air as a Heat Source?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Air as a heat source refers to the use of outdoor ambient air as the environmental energy reservoir for heat pump systems.<\/p>\n<p>Instead of generating heat through combustion, heat pumps extract existing thermal energy from outdoor air and transfer it into a building heating system.<\/p>\n<p>Even at low outdoor temperatures, ambient air contains usable thermal energy that can be captured and upgraded by heat pump technology.<\/p>\n<p>The air heat source is always located outside the building and represents the starting point of the heating process.<\/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=\"Outdoor air as environmental heat source for heat pump systems\" title=\"air-heat-source-outdoor-air\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-outdoor-air-1024x559.webp\" class=\"img-responsive wp-image-65758\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-outdoor-air-200x109.webp 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-outdoor-air-400x218.webp 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-outdoor-air-600x327.webp 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-outdoor-air-800x436.webp 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-outdoor-air-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=\"How_Heat_Is_Extracted_From_Outdoor_Air\"><\/span>How Heat Is Extracted From Outdoor Air<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Thermal energy is absorbed from outdoor air through a heat exchanger located in the external unit of the heat pump system.<\/p>\n<p>Air flows across the heat exchanger surface, transferring heat into the refrigerant circuit. The heat pump then raises this low-temperature energy to a usable level for space heating or hot water production.<\/p>\n<p>The heat extraction process depends on:<\/p>\n<ul>\n<li>Outdoor air temperature<\/li>\n<li>Airflow volume<\/li>\n<li>Heat exchanger surface area<\/li>\n<\/ul>\n<p>The air source itself does not determine how the heat pump operates internally. It only defines where the energy input originates.<\/p>\n<\/div><div class=\"fusion-text fusion-text-7\"><h2><span class=\"ez-toc-section\" id=\"Seasonal_Behavior_of_Air_Heat_Sources\"><\/span>Seasonal Behavior of Air Heat Sources<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Outdoor air temperature changes throughout the year. This makes air heat sources more variable than ground or water sources.<\/p>\n<p>Typical seasonal characteristics:<\/p>\n<ul>\n<li>Higher available heat energy in spring and autumn<\/li>\n<li>Reduced thermal input during cold winter periods<\/li>\n<li>Increased efficiency potential during moderate outdoor temperatures<\/li>\n<\/ul>\n<p>Modern heat pump systems are designed to operate reliably across wide temperature ranges by adjusting compressor performance and system control strategies.<\/p>\n<\/div><div class=\"fusion-text fusion-text-8\"><h2><span class=\"ez-toc-section\" id=\"Availability_of_Air_as_a_Heat_Source\"><\/span>Availability of Air as a Heat Source<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>One major advantage of air as a heat source is universal availability.<\/p>\n<p>Outdoor air is accessible:<\/p>\n<ul>\n<li>In urban areas<\/li>\n<li>In rural locations<\/li>\n<li>On small properties<\/li>\n<li>Without excavation or drilling<\/li>\n<\/ul>\n<p>This makes air the most commonly used environmental heat source for residential heat pump installations.<\/p>\n<\/div><div class=\"fusion-text fusion-text-9\"><h2><span class=\"ez-toc-section\" id=\"Air_Heat_Source_vs_Other_Environmental_Heat_Sources\"><\/span>Air Heat Source vs Other Environmental Heat Sources<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Compared to other heat sources:<\/p>\n<h3>Air vs Ground<\/h3>\n<ul>\n<li>Air temperatures fluctuate more<\/li>\n<li>Ground temperatures remain more stable<\/li>\n<\/ul>\n<h3>Air vs Water<\/h3>\n<ul>\n<li>Air is easier to access<\/li>\n<li>Water sources often provide more stable thermal conditions<\/li>\n<\/ul>\n<p>Each heat source affects system interaction with the environment not the core heat pump operating principle.<\/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=\"Seasonal outdoor air temperature influencing heat source behavior\" title=\"air-heat-source-to-heat-pump-system\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-to-heat-pump-system-1024x559.webp\" class=\"img-responsive wp-image-65767\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-to-heat-pump-system-200x109.webp 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-to-heat-pump-system-400x218.webp 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-to-heat-pump-system-600x327.webp 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-to-heat-pump-system-800x436.webp 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/01\/air-heat-source-to-heat-pump-system-1200x655.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 1200px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-10\"><h2><span class=\"ez-toc-section\" id=\"Air_Heat_Source_and_Heat_Pump_Technology\"><\/span>Air Heat Source and Heat Pump Technology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The heat source defines where thermal energy is collected.<\/p>\n<p>Heat pump technology defines how thermal energy is transferred and upgraded.<\/p>\n<p>Changing the heat source does not change:<\/p>\n<ul>\n<li>The thermodynamic cycle<\/li>\n<li>The compressor function<\/li>\n<li>The internal refrigeration process<\/li>\n<\/ul>\n<p>If you want to understand the internal working principle, see:<\/p>\n<blockquote>\n<p><em><a href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-technology\/\"><strong>Heat Pump Technology<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n<\/div><div class=\"fusion-text fusion-text-11\"><h2><span class=\"ez-toc-section\" id=\"Air_Heat_Source_in_System_Context\"><\/span>Air Heat Source in System Context<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>From a system perspective:<\/p>\n<ul>\n<li>Outdoor air provides environmental heat<\/li>\n<li>The heat pump upgrades this energy<\/li>\n<li>Distribution systems deliver heat inside the building<\/li>\n<\/ul>\n<p>This separation allows the same heat pump technology to operate with different environmental heat sources.<\/p>\n<\/div><div class=\"fusion-text fusion-text-12\"><p>Air as a heat source refers to the use of outdoor ambient air as environmental energy input for heat pump systems. It is widely available, requires no ground works, and enables flexible installation. While air temperature varies seasonally, modern heat pump systems are engineered to maintain reliable operation across changing outdoor conditions. The air heat source defines energy origin not the internal heat pump mechanism.<\/p>\n<blockquote>\n<p>Learn how air is used as a heat source in <a href=\"https:\/\/www.idm-energie.at\/en\/heat-pump-types\/air-source-heat-pump\/\">air-source heat pump systems<\/a>.<\/p>\n<\/blockquote>\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-13\" 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-14\"><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-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-15 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-65703-1\"><div class=\"fusion-panel panel-default panel-0c0bf06093a6dced0 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_0c0bf06093a6dced0\"><a aria-expanded=\"false\" aria-controls=\"0c0bf06093a6dced0\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65703-1\" data-target=\"#0c0bf06093a6dced0\" href=\"#0c0bf06093a6dced0\"><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 air as a heat source for heat pumps?<\/span><\/a><\/h4><\/div><div id=\"0c0bf06093a6dced0\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_0c0bf06093a6dced0\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Air as a heat source refers to outdoor ambient air used as the environmental thermal energy reservoir from which heat pumps extract usable heat energy.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-758ac65329244f864 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_758ac65329244f864\"><a aria-expanded=\"false\" aria-controls=\"758ac65329244f864\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65703-1\" data-target=\"#758ac65329244f864\" href=\"#758ac65329244f864\"><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. Does cold outdoor air contain usable heat energy?<\/span><\/a><\/h4><\/div><div id=\"758ac65329244f864\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_758ac65329244f864\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-pm-slice=\"1 1 &#091;&#093;\">Yes. Even at low temperatures, outdoor air contains thermal energy that can be transferred through heat exchangers into the heat pump system.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-716adb6cb4fb27749 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_716adb6cb4fb27749\"><a aria-expanded=\"false\" aria-controls=\"716adb6cb4fb27749\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65703-1\" data-target=\"#716adb6cb4fb27749\" href=\"#716adb6cb4fb27749\"><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 stable is air as a heat source throughout the year?<\/span><\/a><\/h4><\/div><div id=\"716adb6cb4fb27749\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_716adb6cb4fb27749\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Outdoor air temperature changes seasonally and daily. This variability affects heat availability but does not change the internal operating principle of heat pump systems.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-ee6eb11faf58d882a 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_ee6eb11faf58d882a\"><a aria-expanded=\"false\" aria-controls=\"ee6eb11faf58d882a\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65703-1\" data-target=\"#ee6eb11faf58d882a\" href=\"#ee6eb11faf58d882a\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">4. Is air available everywhere as a heat source?<\/span><\/a><\/h4><\/div><div id=\"ee6eb11faf58d882a\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_ee6eb11faf58d882a\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Yes. Outdoor air is universally available, making it the most accessible environmental heat source for heat pump applications.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-7c63778229c4e999c 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_7c63778229c4e999c\"><a aria-expanded=\"false\" aria-controls=\"7c63778229c4e999c\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-65703-1\" data-target=\"#7c63778229c4e999c\" href=\"#7c63778229c4e999c\"><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 the heat source affect how the heat pump works internally?<\/span><\/a><\/h4><\/div><div id=\"7c63778229c4e999c\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_7c63778229c4e999c\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p data-pm-slice=\"1 1 &#091;&#093;\">No. The heat source affects system interaction with the environment, not the internal heat pump mechanism or thermodynamic cycle.<\/p>\n<\/div><\/div><\/div><\/div><\/div><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [{\n    \"@type\": \"Question\",\n    \"name\": \"What is air as a heat source for heat pumps?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Air as a heat source refers to outdoor ambient air used as the environmental thermal energy reservoir from which heat pumps extract usable heat energy.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"Does cold outdoor air contain usable heat energy?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Yes. Even at low temperatures, outdoor air contains thermal energy that can be transferred through heat exchangers into the heat pump system.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"How stable is air as a heat source throughout the year?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Outdoor air temperature changes seasonally and daily. This variability affects heat availability but does not change the internal operating principle of heat pump systems.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"Is air available everywhere as a heat source?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Yes. Outdoor air is universally available, making it the most accessible environmental heat source for heat pump applications.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"Does the heat source affect how the heat pump works internally?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"No. The heat source affects system interaction with the environment, not the internal heat pump mechanism or thermodynamic cycle.\"\n    }\n  }]\n}\n<\/script><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":34,"featured_media":2902,"parent":2900,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-65703","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/65703","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=65703"}],"version-history":[{"count":0,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/65703\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/pages\/2900"}],"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=65703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}