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srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2024-09\/adobestock_285758008.jpeg.webp?h=4f6e2068\u0026amp;itok=kBv8oVfT 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2024-09\/adobestock_285758008.jpeg.webp?h=4f6e2068\u0026amp;itok=kBv8oVfT 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2024-09\/adobestock_285758008.jpeg.webp?h=4f6e2068\u0026amp;itok=kBv8oVfT 1x\u0022 media=\u0022all and (min-width: 1024px) and (max-width: 1599px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline_xxl\/public\/2024-09\/adobestock_285758008.jpeg.webp?h=4f6e2068\u0026amp;itok=srcjBJDq 1x\u0022 media=\u0022all and (min-width: 1600px)\u0022 type=\u0022image\/webp\u0022 width=\u0022240\u0022 height=\u0022180\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_phone\/public\/2024-09\/adobestock_285758008.jpeg?h=4f6e2068\u0026amp;itok=DWDJ-iX4 1x\u0022 media=\u0022all and (max-width: 480px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022460\u0022 height=\u0022260\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2024-09\/adobestock_285758008.jpeg?h=4f6e2068\u0026amp;itok=kBv8oVfT 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2024-09\/adobestock_285758008.jpeg?h=4f6e2068\u0026amp;itok=kBv8oVfT 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2024-09\/adobestock_285758008.jpeg?h=4f6e2068\u0026amp;itok=kBv8oVfT 1x\u0022 media=\u0022all and (min-width: 1024px) and (max-width: 1599px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline_xxl\/public\/2024-09\/adobestock_285758008.jpeg?h=4f6e2068\u0026amp;itok=srcjBJDq 1x\u0022 media=\u0022all and (min-width: 1600px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022240\u0022 height=\u0022180\u0022\/\u003E\n                  \n\u003Cimg decoding=\u0022async\u0022 class=\u0022media__element b-lazy\u0022 loading=\u0022lazy\u0022 width=\u0022200\u0022 height=\u0022150\u0022 data-zoomed=\u0022https:\/\/www.haustec.de\/sites\/default\/files\/styles\/content__zoomed\/public\/2024-09\/adobestock_285758008.jpeg?itok=5MgyN4_O\u0022 src=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2024-09\/adobestock_285758008.jpeg?h=4f6e2068\u0026amp;itok=kBv8oVfT\u0022 alt=\u0022Kfw senkt Zinsen in den gewerblichen KfW-F\u00f6rderprodukten\u0022 title=\u0022Kfw senkt Zinsen in den gewerblichen KfW-F\u00f6rderprodukten\u0022 \/\u003E\n\n\n  \u003C\/picture\u003E\n        \u003C\/div\u003E\n  \n                  \u003C\/figure\u003E\n\n    \u003Carticle class=\u0022article--teaser-content\u0022\u003E\n      \u003Ch3 class=\u0022headline\u0022\u003E\n    KfW senkt Zinsen f\u00fcr Familien und Genossenschaftswohnen\n  \u003C\/h3\u003E\n  \u003Cdiv class=\u0022article--teaser-body\u0022\u003E\n    \u003Cp\u003ESeit dem 29. Oktober 2026 sind drei KfW-F\u00f6rderkredite f\u00fcr Wohneigentum g\u00fcnstiger. Davon profitieren vor allem Familien, die bauen oder ein Bestandsgeb\u00e4ude kaufen.\u003C\/p\u003E\n  \u003C\/div\u003E\n\n    \u003C\/article\u003E\n  \u003C\/a\u003E\n  \u003Cspan class=\u0022article--bookmark\u0022\u003E\u003Cdrupal-render-placeholder callback=\u0022flag.link_builder:build\u0022 arguments=\u00220=node\u0026amp;1=24613\u0026amp;2=bookmark\u0022 token=\u0022BoXSnfs7CNmkNcnLX2GdcgKt17OQwKPWOnbazMrLWXE\u0022\u003E\u003C\/drupal-render-placeholder\u003E\u003C\/span\u003E\n\u003C\/div\u003E\n\n\u003Cdiv  class=\u0022node node--type--article node--view-mode--teaser\u0022\u003E\n  \u003Ca href=\u0022\/management\/panorama\/das-sind-die-wichtigsten-regeln-halloween\u0022\n     aria-label=\u0022Das sind die wichtigsten Regeln an Halloween\u0022\u003E\n      \u003Cfigure class=\u0022article--teaser-image\u0022\u003E\n              \u003Cdiv data-b-token=\u0022b-385e2c145ea\u0022 class=\u0022media media--blazy media--bundle--image media--image media--responsive\u0022\u003E  \u003Cpicture\u003E\n                  \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_phone\/public\/2026-10\/adobestock_2221040106.jpeg.webp?h=5673a23d\u0026amp;itok=h9v3Vvwu 1x\u0022 media=\u0022all and (max-width: 480px)\u0022 type=\u0022image\/webp\u0022 width=\u0022460\u0022 height=\u0022260\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/adobestock_2221040106.jpeg.webp?h=5673a23d\u0026amp;itok=NNuo-1-U 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/adobestock_2221040106.jpeg.webp?h=5673a23d\u0026amp;itok=NNuo-1-U 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/adobestock_2221040106.jpeg.webp?h=5673a23d\u0026amp;itok=NNuo-1-U 1x\u0022 media=\u0022all and (min-width: 1024px) and (max-width: 1599px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline_xxl\/public\/2026-10\/adobestock_2221040106.jpeg.webp?h=5673a23d\u0026amp;itok=pf9tEZzb 1x\u0022 media=\u0022all and (min-width: 1600px)\u0022 type=\u0022image\/webp\u0022 width=\u0022240\u0022 height=\u0022180\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_phone\/public\/2026-10\/adobestock_2221040106.jpeg?h=5673a23d\u0026amp;itok=h9v3Vvwu 1x\u0022 media=\u0022all and (max-width: 480px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022460\u0022 height=\u0022260\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/adobestock_2221040106.jpeg?h=5673a23d\u0026amp;itok=NNuo-1-U 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/adobestock_2221040106.jpeg?h=5673a23d\u0026amp;itok=NNuo-1-U 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/adobestock_2221040106.jpeg?h=5673a23d\u0026amp;itok=NNuo-1-U 1x\u0022 media=\u0022all and (min-width: 1024px) and (max-width: 1599px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline_xxl\/public\/2026-10\/adobestock_2221040106.jpeg?h=5673a23d\u0026amp;itok=pf9tEZzb 1x\u0022 media=\u0022all and (min-width: 1600px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022240\u0022 height=\u0022180\u0022\/\u003E\n                  \n\u003Cimg decoding=\u0022async\u0022 class=\u0022media__element b-lazy\u0022 loading=\u0022lazy\u0022 width=\u0022200\u0022 height=\u0022150\u0022 data-zoomed=\u0022https:\/\/www.haustec.de\/sites\/default\/files\/styles\/content__zoomed\/public\/2026-10\/adobestock_2221040106.jpeg?itok=l8hFYD7l\u0022 src=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/adobestock_2221040106.jpeg?h=5673a23d\u0026amp;itok=NNuo-1-U\u0022 alt=\u0022Das sind die wichtigsten Regeln an Halloween\u0022 title=\u0022Das sind die wichtigsten Regeln an Halloween\u0022 \/\u003E\n\n\n  \u003C\/picture\u003E\n        \u003C\/div\u003E\n  \n                  \u003C\/figure\u003E\n\n    \u003Carticle class=\u0022article--teaser-content\u0022\u003E\n      \u003Ch3 class=\u0022headline\u0022\u003E\n    Das sind die wichtigsten Regeln an Halloween\n  \u003C\/h3\u003E\n  \u003Cdiv class=\u0022article--teaser-body\u0022\u003E\n    \u003Cp\u003EDekorieren, feiern, verkleiden: Auch dabei gelten an Halloween klare Regeln. Die Arag-Experten erkl\u00e4ren, was erlaubt ist. Zudem kl\u00e4ren sie Haftungsfragen.\u003C\/p\u003E\n  \u003C\/div\u003E\n\n    \u003C\/article\u003E\n  \u003C\/a\u003E\n  \u003Cspan class=\u0022article--bookmark\u0022\u003E\u003Cdrupal-render-placeholder callback=\u0022flag.link_builder:build\u0022 arguments=\u00220=node\u0026amp;1=24612\u0026amp;2=bookmark\u0022 token=\u0022KpRlNm15IEoBRKA8WPXLoFBeP3KtJDeDbf_GgVTv6UQ\u0022\u003E\u003C\/drupal-render-placeholder\u003E\u003C\/span\u003E\n\u003C\/div\u003E\n\n\u003Cdiv  class=\u0022node node--type--article node--view-mode--teaser\u0022\u003E\n  \u003Ca href=\u0022\/heizung\/waermenutzung\/busch-jaeger-bindet-heizkoerper-funk-busch-freehome-ein\u0022\n     aria-label=\u0022Busch-Jaeger bindet Heizk\u00f6rper per Funk in Busch-free@home ein\u0022\u003E\n      \u003Cfigure class=\u0022article--teaser-image\u0022\u003E\n              \u003Cdiv data-b-token=\u0022b-1d5826fd30c\u0022 class=\u0022media media--blazy media--bundle--image media--image media--responsive\u0022\u003E  \u003Cpicture\u003E\n                  \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_phone\/public\/2026-10\/c5d7f4c8-30a1-6e74-3d42-501a2f8fcd31.jpg.webp?h=f25ce854\u0026amp;itok=1GHW19Yq 1x\u0022 media=\u0022all and (max-width: 480px)\u0022 type=\u0022image\/webp\u0022 width=\u0022460\u0022 height=\u0022260\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/c5d7f4c8-30a1-6e74-3d42-501a2f8fcd31.jpg.webp?h=f25ce854\u0026amp;itok=IwNLHiX3 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/c5d7f4c8-30a1-6e74-3d42-501a2f8fcd31.jpg.webp?h=f25ce854\u0026amp;itok=IwNLHiX3 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/webp\u0022 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type=\u0022image\/jpeg\u0022 width=\u0022460\u0022 height=\u0022260\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/c5d7f4c8-30a1-6e74-3d42-501a2f8fcd31.jpg?h=f25ce854\u0026amp;itok=IwNLHiX3 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/c5d7f4c8-30a1-6e74-3d42-501a2f8fcd31.jpg?h=f25ce854\u0026amp;itok=IwNLHiX3 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/c5d7f4c8-30a1-6e74-3d42-501a2f8fcd31.jpg?h=f25ce854\u0026amp;itok=IwNLHiX3 1x\u0022 media=\u0022all and (min-width: 1024px) and (max-width: 1599px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline_xxl\/public\/2026-10\/c5d7f4c8-30a1-6e74-3d42-501a2f8fcd31.jpg?h=f25ce854\u0026amp;itok=weI0mLQ8 1x\u0022 media=\u0022all and (min-width: 1600px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022240\u0022 height=\u0022180\u0022\/\u003E\n                  \n\u003Cimg decoding=\u0022async\u0022 class=\u0022media__element b-lazy\u0022 loading=\u0022lazy\u0022 width=\u0022200\u0022 height=\u0022150\u0022 data-zoomed=\u0022https:\/\/www.haustec.de\/sites\/default\/files\/styles\/content__zoomed\/public\/2026-10\/c5d7f4c8-30a1-6e74-3d42-501a2f8fcd31.jpg?itok=sxUuG96g\u0022 src=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-10\/c5d7f4c8-30a1-6e74-3d42-501a2f8fcd31.jpg?h=f25ce854\u0026amp;itok=IwNLHiX3\u0022 alt=\u0022Busch-Jaeger bindet Heizk\u00f6rper per Funk in Busch-free@home ein\u0022 title=\u0022Busch-Jaeger bindet Heizk\u00f6rper per Funk in Busch-free@home ein\u0022 \/\u003E\n\n\n  \u003C\/picture\u003E\n        \u003C\/div\u003E\n  \n                  \u003C\/figure\u003E\n\n    \u003Carticle class=\u0022article--teaser-content\u0022\u003E\n      \u003Ch3 class=\u0022headline\u0022\u003E\n    Busch-Jaeger bindet Heizk\u00f6rper per Funk in Busch-free@home ein\n  \u003C\/h3\u003E\n  \u003Cdiv class=\u0022article--teaser-body\u0022\u003E\n    \u003Cp\u003EEin neues Heizk\u00f6rperthermostat regelt wasserf\u00fchrende Heizk\u00f6rper per Funk. Zus\u00e4tzliche Leitungen sind nicht n\u00f6tig. Die Temperatur l\u00e4sst sich am Ger\u00e4t oder zentral einstellen.\u003C\/p\u003E\n  \u003C\/div\u003E\n\n    \u003C\/article\u003E\n  \u003C\/a\u003E\n  \u003Cspan class=\u0022article--bookmark\u0022\u003E\u003Cdrupal-render-placeholder callback=\u0022flag.link_builder:build\u0022 arguments=\u00220=node\u0026amp;1=24581\u0026amp;2=bookmark\u0022 token=\u002252vE_sx5dHu-tK_cR8yy1lRNeAYZkTGbT1G5wUAGMiU\u0022\u003E\u003C\/drupal-render-placeholder\u003E\u003C\/span\u003E\n\u003C\/div\u003E\n\n\u003Cdiv  class=\u0022node node--type--article node--view-mode--teaser\u0022\u003E\n  \u003Ca href=\u0022\/klima-lueftung\/lueftungstechnik\/verbaende-legen-fachinformation-zu-lueftung-mit\u0022\n     aria-label=\u0022Verb\u00e4nde legen Fachinformation zu L\u00fcftung mit W\u00e4rmer\u00fcckgewinnung vor\u0022\u003E\n      \u003Cfigure class=\u0022article--teaser-image\u0022\u003E\n              \u003Cdiv data-b-token=\u0022b-bcd23140902\u0022 class=\u0022media media--blazy media--bundle--image media--image media--responsive\u0022\u003E  \u003Cpicture\u003E\n                  \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_phone\/public\/2025-11\/adobestock_1604634048.jpeg.webp?h=deaec4b9\u0026amp;itok=baahvvdn 1x\u0022 media=\u0022all and (max-width: 480px)\u0022 type=\u0022image\/webp\u0022 width=\u0022460\u0022 height=\u0022260\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2025-11\/adobestock_1604634048.jpeg.webp?h=deaec4b9\u0026amp;itok=4K9iBble 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2025-11\/adobestock_1604634048.jpeg.webp?h=deaec4b9\u0026amp;itok=4K9iBble 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2025-11\/adobestock_1604634048.jpeg.webp?h=deaec4b9\u0026amp;itok=4K9iBble 1x\u0022 media=\u0022all and (min-width: 1024px) and (max-width: 1599px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline_xxl\/public\/2025-11\/adobestock_1604634048.jpeg.webp?h=deaec4b9\u0026amp;itok=mg8w3UE2 1x\u0022 media=\u0022all and (min-width: 1600px)\u0022 type=\u0022image\/webp\u0022 width=\u0022240\u0022 height=\u0022180\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_phone\/public\/2025-11\/adobestock_1604634048.jpeg?h=deaec4b9\u0026amp;itok=baahvvdn 1x\u0022 media=\u0022all and (max-width: 480px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022460\u0022 height=\u0022260\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2025-11\/adobestock_1604634048.jpeg?h=deaec4b9\u0026amp;itok=4K9iBble 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2025-11\/adobestock_1604634048.jpeg?h=deaec4b9\u0026amp;itok=4K9iBble 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2025-11\/adobestock_1604634048.jpeg?h=deaec4b9\u0026amp;itok=4K9iBble 1x\u0022 media=\u0022all and (min-width: 1024px) and (max-width: 1599px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline_xxl\/public\/2025-11\/adobestock_1604634048.jpeg?h=deaec4b9\u0026amp;itok=mg8w3UE2 1x\u0022 media=\u0022all and (min-width: 1600px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022240\u0022 height=\u0022180\u0022\/\u003E\n                  \n\u003Cimg decoding=\u0022async\u0022 class=\u0022media__element b-lazy\u0022 loading=\u0022lazy\u0022 width=\u0022200\u0022 height=\u0022150\u0022 data-zoomed=\u0022https:\/\/www.haustec.de\/sites\/default\/files\/styles\/content__zoomed\/public\/2025-11\/adobestock_1604634048.jpeg?itok=FlmJDMMu\u0022 src=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2025-11\/adobestock_1604634048.jpeg?h=deaec4b9\u0026amp;itok=4K9iBble\u0022 alt=\u0022Wohnrauml\u00fcftung steigert W\u00e4rmepumpen-Effizienz um 15 Prozent\u0022 title=\u0022Wohnrauml\u00fcftung steigert W\u00e4rmepumpen-Effizienz um 15 Prozent\u0022 \/\u003E\n\n\n  \u003C\/picture\u003E\n        \u003C\/div\u003E\n  \n                  \u003C\/figure\u003E\n\n    \u003Carticle class=\u0022article--teaser-content\u0022\u003E\n      \u003Ch3 class=\u0022headline\u0022\u003E\n    Verb\u00e4nde legen Fachinformation zu L\u00fcftung mit W\u00e4rmer\u00fcckgewinnung vor\n  \u003C\/h3\u003E\n  \u003Cdiv class=\u0022article--teaser-body\u0022\u003E\n    \u003Cp\u003EAcht Verb\u00e4nde haben eine Fachinformation zur Bilanzierung von Wohnungsl\u00fcftung mit W\u00e4rmer\u00fcckgewinnung nach DIN V und DIN\/TS 18599 ver\u00f6ffentlicht. Sie geht auch auf veraltete Standardwerte ein: Im Rechenbeispiel senken Herstellerkennwerte den Prim\u00e4renergiebedarf um 23,6 Prozent.\u003C\/p\u003E\n  \u003C\/div\u003E\n\n    \u003C\/article\u003E\n  \u003C\/a\u003E\n  \u003Cspan class=\u0022article--bookmark\u0022\u003E\u003Cdrupal-render-placeholder callback=\u0022flag.link_builder:build\u0022 arguments=\u00220=node\u0026amp;1=24611\u0026amp;2=bookmark\u0022 token=\u0022kofeTwax0QMvpF6-T-M6lNWFGyr313lkWqlvXe7NzjM\u0022\u003E\u003C\/drupal-render-placeholder\u003E\u003C\/span\u003E\n\u003C\/div\u003E\n\n\u003Cdiv  class=\u0022node node--type--article node--view-mode--teaser\u0022\u003E\n  \u003Ca href=\u0022\/heizung\/waermepumpe-beheizt-unsanierte-haushaelfte\u0022\n     aria-label=\u0022W\u00e4rmepumpe beheizt unsanierte Haush\u00e4lfte \u0022\u003E\n      \u003Cfigure class=\u0022article--teaser-image\u0022\u003E\n              \u003Cdiv data-b-token=\u0022b-a01144f84c8\u0022 class=\u0022media media--blazy media--bundle--image media--image media--responsive\u0022\u003E  \u003Cpicture\u003E\n                  \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_phone\/public\/2026-08\/251216_0021.jpg.webp?h=6f8e2d4a\u0026amp;itok=hPqLlgf8 1x\u0022 media=\u0022all and (max-width: 480px)\u0022 type=\u0022image\/webp\u0022 width=\u0022460\u0022 height=\u0022260\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-08\/251216_0021.jpg.webp?h=6f8e2d4a\u0026amp;itok=_PRvWa1h 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-08\/251216_0021.jpg.webp?h=6f8e2d4a\u0026amp;itok=_PRvWa1h 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-08\/251216_0021.jpg.webp?h=6f8e2d4a\u0026amp;itok=_PRvWa1h 1x\u0022 media=\u0022all and (min-width: 1024px) and (max-width: 1599px)\u0022 type=\u0022image\/webp\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline_xxl\/public\/2026-08\/251216_0021.jpg.webp?h=6f8e2d4a\u0026amp;itok=vpwUioJP 1x\u0022 media=\u0022all and (min-width: 1600px)\u0022 type=\u0022image\/webp\u0022 width=\u0022240\u0022 height=\u0022180\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_phone\/public\/2026-08\/251216_0021.jpg?h=6f8e2d4a\u0026amp;itok=hPqLlgf8 1x\u0022 media=\u0022all and (max-width: 480px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022460\u0022 height=\u0022260\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-08\/251216_0021.jpg?h=6f8e2d4a\u0026amp;itok=_PRvWa1h 1x\u0022 media=\u0022all and (min-width: 481px) and (max-width: 767px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-08\/251216_0021.jpg?h=6f8e2d4a\u0026amp;itok=_PRvWa1h 1x\u0022 media=\u0022all and (min-width: 768px) and (max-width: 1023px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-08\/251216_0021.jpg?h=6f8e2d4a\u0026amp;itok=_PRvWa1h 1x\u0022 media=\u0022all and (min-width: 1024px) and (max-width: 1599px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022200\u0022 height=\u0022150\u0022\/\u003E\n              \u003Csource srcset=\u0022\/sites\/default\/files\/styles\/teaser_image_inline_xxl\/public\/2026-08\/251216_0021.jpg?h=6f8e2d4a\u0026amp;itok=vpwUioJP 1x\u0022 media=\u0022all and (min-width: 1600px)\u0022 type=\u0022image\/jpeg\u0022 width=\u0022240\u0022 height=\u0022180\u0022\/\u003E\n                  \n\u003Cimg decoding=\u0022async\u0022 class=\u0022media__element b-lazy\u0022 loading=\u0022lazy\u0022 width=\u0022200\u0022 height=\u0022150\u0022 data-zoomed=\u0022https:\/\/www.haustec.de\/sites\/default\/files\/styles\/content__zoomed\/public\/2026-08\/251216_0021.jpg?itok=naChONZ9\u0022 src=\u0022\/sites\/default\/files\/styles\/teaser_image_inline\/public\/2026-08\/251216_0021.jpg?h=6f8e2d4a\u0026amp;itok=_PRvWa1h\u0022 alt=\u0022W\u00e4rmepumpe beheizt unsanierte Haush\u00e4lfte\u0022 title=\u0022W\u00e4rmepumpe beheizt unsanierte Haush\u00e4lfte\u0022 \/\u003E\n\n\n  \u003C\/picture\u003E\n        \u003C\/div\u003E\n  \n                  \u003C\/figure\u003E\n\n    \u003Carticle class=\u0022article--teaser-content\u0022\u003E\n      \u003Ch3 class=\u0022headline\u0022\u003E\n      \u003Cspan class=\u0022article--protection-icon\u0022\u003E\u003Ci class=\u0022mi mi-add\u0022\u003E\u003C\/i\u003E\u003C\/span\u003E\n    W\u00e4rmepumpe beheizt unsanierte Haush\u00e4lfte \n  \u003C\/h3\u003E\n  \u003Cdiv class=\u0022article--teaser-body\u0022\u003E\n    \u003Cp\u003EEin Beispiel aus dem Bergischen Land zeigt den Heizungstausch im unsanierten Bestand. In einer Haush\u00e4lfte von 1957 ersetzt eine Luft\/Wasser-W\u00e4rmepumpe die \u00d6lheizung als einziger W\u00e4rme-erzeuger.\u00a0\u003C\/p\u003E\n  \u003C\/div\u003E\n\n    \u003C\/article\u003E\n  \u003C\/a\u003E\n  \u003Cspan class=\u0022article--bookmark\u0022\u003E\u003Cdrupal-render-placeholder callback=\u0022flag.link_builder:build\u0022 arguments=\u00220=node\u0026amp;1=24268\u0026amp;2=bookmark\u0022 token=\u0022eOijA2-fNUOJG8npl3RBTIDdvixyOAY09_NDFMva8ew\u0022\u003E\u003C\/drupal-render-placeholder\u003E\u003C\/span\u003E\n\u003C\/div\u003E\n\n","entity_type":"node","used_ids":[24613,24612,24581,24611,24268],"show_more":"\u003Cdiv class=\u0022del-show-more\u0022\u003E\u003Ca href=\u0022\/ajax\/del\/20215022-40a5-438a-ae5c-774948e16218\/1388385\/paragraph\/6\/5\/asc\/eyJub2RlIjp7ImlkIjoiMTIiLCJ0eXBlIjoicGFnZSJ9fQ%3D%3D\u0022 title=\u0022Show more items\u0022 class=\u0022del-show-more-link use-ajax\u0022 rel=\u0022nofollow\u0022 data-target-type=\u0022node\u0022 aria-controls=\u0022del--paragraph-44845--content\u0022 aria-label=\u0022Show more items\u0022\u003EMehr anzeigen\u003C\/a\u003E\u003C\/div\u003E\n"}]