07 – 09 November 2025

For more than two decades, Passive House residents have been opening the doors to their houses during the International Passive House Days and transforming them into showpieces for sustainability. The tours allow visitors to get a closer look at implemented energy efficiency and climate protection in action. Participating buildings and tours are will be continuously updated over the next weeks, so be sure to have a look at the Passive House Database online to see if there are open buildings in your area!