The building sector is a key focus area of the Energy Concept of the German Federal Government, among other reasons because it has the potential to avoid a large share of CO2 emissions while also saving costs. Thus far, however, only a small percentage of residential building owners have...

The German government has committed to reducing the primary energy demand of buildings by 80% by 2050 and to attaining a thermal retrofit rate of 2%. Achieving both goals will require deep thermal retrofits across the existing building stock. To meet this challenge, the government is exploring...

Der Gebäudesektor ist ein Schlüsselsektor des Energiekonzepts der Bundesregierung, unter anderem da sich in diesem Sektor ein Großteil der CO2 Emissionen mit Gewinn einsparen lässt (Levine et al. 2007). Bisher führt allerdings nur ein geringer Teil der Wohngebäudebesitzer umfassende...