{"id":72218,"date":"2026-05-19T09:11:10","date_gmt":"2026-05-19T07:11:10","guid":{"rendered":"https:\/\/www.idm-energie.at\/?post_type=avada_portfolio&#038;p=72218"},"modified":"2026-05-19T09:15:42","modified_gmt":"2026-05-19T07:15:42","slug":"reference-project-tulln-town-hall","status":"publish","type":"avada_portfolio","link":"https:\/\/www.idm-energie.at\/en\/referenz\/reference-project-tulln-town-hall\/","title":{"rendered":"Reference Project \u2013 Tulln Town Hall"},"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-padding-top:2%;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start 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_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--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-slider-sc\"><div class=\"fusion-flexslider-loading flexslider flexslider-hover-type-none\" data-slideshow_autoplay=\"1\" data-slideshow_smooth_height=\"0\" data-slideshow_speed=\"3500\" style=\"max-width:100%;height:100%;\"><ul class=\"slides\"><li class=\"image\"><span class=\"fusion-image-hover-element hover-type-none\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-1.png\" width=\"2560\" height=\"1920\" class=\"wp-image-72061\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-1-200x150.png 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-1-400x300.png 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-1-600x450.png 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-1-800x600.png 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-1-1200x900.png 1200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-1.png 2560w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 600px\" \/><\/span><\/li><li class=\"image\"><span class=\"fusion-image-hover-element hover-type-none\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-2.png\" width=\"2560\" height=\"1920\" class=\"wp-image-72070\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-2-200x150.png 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-2-400x300.png 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-2-600x450.png 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-2-800x600.png 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-2-1200x900.png 1200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-2.png 2560w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 600px\" \/><\/span><\/li><li class=\"image\"><span class=\"fusion-image-hover-element hover-type-none\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-3.png\" width=\"2560\" height=\"1920\" class=\"wp-image-72079\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-3-200x150.png 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-3-400x300.png 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-3-600x450.png 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-3-800x600.png 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-3-1200x900.png 1200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/rathaus-3.png 2560w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 600px\" \/><\/span><\/li><\/ul><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--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-1 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:1.4em;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;font-size:1em;--fontSize:21;line-height:1.4;\"><h3>Tulln Town Hall Relies on Sustainable Heating from Wastewater<\/h3><\/h2><\/div><div class=\"fusion-text fusion-text-1\" style=\"--awb-text-transform:none;\"><div class=\"qMYqUG_convSearchResultHighlightRoot\">\n<p>Historic Building Meets Future-Proof Energy Technology: Tulln Town Hall has been equipped with a modern wastewater heat pump solution. The iDM TERRA SW 90 MAX H uses renewable energy from the city\u2019s wastewater system to efficiently provide heating and cooling for radiators and underfloor heating. Thanks to intelligent system cooling, a compact plant room, and a sustainable overall concept, the project delivers a comfortable and energy-efficient solution for demanding existing buildings.<\/p>\n<\/div>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-bottom:5%;--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%;\" 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\"><p data-start=\"0\" data-end=\"346\">For the heating supply of Tulln Town Hall, an innovative wastewater heat pump system was implemented. The energy source is the city of Tulln\u2019s wastewater, which is harnessed via a high-performance wastewater heat exchanger. This allows previously unused energy to be utilized efficiently and converted into sustainable heating and cooling energy.<\/p>\n<p data-start=\"348\" data-end=\"747\">The system features a powerful iDM TERRA SW 90 MAX H high-temperature heat pump with 100 kW heating capacity and 45 kW cooling capacity. The installation reliably and comfortably supplies both the existing radiators and the newly integrated underfloor heating system. Especially in existing and historic buildings, high flow temperatures are essential \u2013 making the TERRA SW MAX H the ideal solution.<\/p>\n<p data-start=\"749\" data-end=\"1077\" data-is-last-node=\"\" data-is-only-node=\"\">Particular attention in this project was given to the compact design of the plant room and the careful integration of the system technology into the existing building structure. The system is complemented by a 4,000-liter heating buffer tank and a 4,000-liter cooling buffer tank, ensuring highly efficient and stable operation.<\/p>\n<\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start 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_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--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-3\"><p data-start=\"0\" data-end=\"299\">Another highlight is the integrated iDM system cooling, which enables the cooling function of the high-temperature heat pump without reversing the refrigeration cycle. This allows the historic building to be comfortably cooled during summer while maintaining particularly energy-efficient operation.<\/p>\n<p data-start=\"301\" data-end=\"603\" data-is-last-node=\"\" data-is-only-node=\"\">The project impressively demonstrates how historic existing buildings can be sustainably modernized using innovative heat pump technology. In addition, the goal is to gradually reduce the flow temperatures within the building in order to further increase the overall system efficiency in the long term.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--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=\"awb-gallery-wrapper awb-gallery-wrapper-1 button-span-no\" style=\"--more-btn-alignment:center;\" data-limit=\"1\" data-page=\"1\"><div style=\"margin:-5px;--awb-bordersize:2px;--awb-bordercolor:#5b5b5b;\" class=\"fusion-gallery fusion-gallery-container fusion-grid-1 fusion-columns-total-1 fusion-gallery-layout-grid fusion-gallery-1\"><div style=\"padding:5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-1 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/schema-rathaus-tulln-scaled.png\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/schema-rathaus-tulln-scaled.png\" width=\"2560\" height=\"1462\" alt=\"\" title=\"schema rathaus tulln\" aria-label=\"schema rathaus tulln\" class=\"img-responsive wp-image-72103\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/schema-rathaus-tulln-200x114.png 200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/schema-rathaus-tulln-400x229.png 400w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/schema-rathaus-tulln-600x343.png 600w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/schema-rathaus-tulln-800x457.png 800w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/schema-rathaus-tulln-1200x686.png 1200w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/schema-rathaus-tulln-scaled.png 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 640px) 1140px, \" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container 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-bottom:4%;--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-3 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-center fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:40px;width:100%;\"><\/div><div class=\"awb-gallery-wrapper awb-gallery-wrapper-2 button-span-no\" style=\"--more-btn-alignment:center;\"><div style=\"margin:-6px;--awb-bordersize:0px;\" class=\"fusion-gallery fusion-gallery-container fusion-grid-4 fusion-columns-total-12 fusion-gallery-layout-grid fusion-gallery-2\"><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/20250917_121829-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/20250917_121829-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"20250917_121829\" aria-label=\"20250917_121829\" class=\"img-responsive wp-image-71955 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/20250917_121829-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/20250917_121829-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/DJI_0574-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/DJI_0574-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"DJI_0574\" aria-label=\"DJI_0574\" class=\"img-responsive wp-image-71964 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/DJI_0574-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/DJI_0574-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/DJI_0583-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/DJI_0583-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"DJI_0583\" aria-label=\"DJI_0583\" class=\"img-responsive wp-image-71973 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/DJI_0583-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/DJI_0583-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1519-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1519-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"DCIM100GOPROGOPR1519.JPG\" aria-label=\"DCIM100GOPROGOPR1519.JPG\" class=\"img-responsive wp-image-71982 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1519-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1519-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1524-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1524-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"DCIM100GOPROGOPR1524.JPG\" aria-label=\"DCIM100GOPROGOPR1524.JPG\" class=\"img-responsive wp-image-71991 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1524-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1524-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1538-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1538-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"DCIM100GOPROGOPR1538.JPG\" aria-label=\"DCIM100GOPROGOPR1538.JPG\" class=\"img-responsive wp-image-72000 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1538-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/GOPR1538-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06881-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06881-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"IDM06881\" aria-label=\"IDM06881\" class=\"img-responsive wp-image-72009 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06881-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06881-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06884-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06884-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"IDM06884\" aria-label=\"IDM06884\" class=\"img-responsive wp-image-72018 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06884-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06884-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06894-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06894-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"IDM06894\" aria-label=\"IDM06894\" class=\"img-responsive wp-image-72027 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06894-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06894-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06897-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06897-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"IDM06897\" aria-label=\"IDM06897\" class=\"img-responsive wp-image-72036 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06897-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06897-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06908-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06908-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"IDM06908\" aria-label=\"IDM06908\" class=\"img-responsive wp-image-72045 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06908-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06908-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/div><div style=\"padding:6px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06917-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_2]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06917-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"IDM06917\" aria-label=\"IDM06917\" class=\"img-responsive wp-image-72054 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06917-320x202.jpg 320w, https:\/\/www.idm-energie.at\/wp-content\/uploads\/2026\/05\/IDM06917-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container 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 style=\"text-align:center;\"><a class=\"fusion-button button-flat button-xlarge button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/www.idm-energie.at\/en\/idm_products\/terra-sw-90-max-h\/\"><i class=\"fa-angle-double-left fas awb-button__icon awb-button__icon--default button-icon-left\" aria-hidden=\"true\"><\/i><span class=\"fusion-button-text awb-button__text awb-button__text--default\">back to product<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>At Tulln Town Hall, an iDM TERRA SW 90 MAX H provides efficient heating and cooling for a historic castle building \u2013 powered by a renewable energy source and intelligent system technology.<\/p>\n","protected":false},"author":4,"featured_media":71964,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"portfolio_category":[160],"portfolio_skills":[],"portfolio_tags":[],"class_list":["post-72218","avada_portfolio","type-avada_portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_category-terra-sw-max-h-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/avada_portfolio\/72218","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/avada_portfolio"}],"about":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/types\/avada_portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/comments?post=72218"}],"version-history":[{"count":0,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/avada_portfolio\/72218\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/media\/71964"}],"wp:attachment":[{"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/media?parent=72218"}],"wp:term":[{"taxonomy":"portfolio_category","embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/portfolio_category?post=72218"},{"taxonomy":"portfolio_skills","embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/portfolio_skills?post=72218"},{"taxonomy":"portfolio_tags","embeddable":true,"href":"https:\/\/www.idm-energie.at\/en\/wp-json\/wp\/v2\/portfolio_tags?post=72218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}