The Passive House in Kranichstein


Passive House Kranichstein, northern side

With normal use of the homes, this project confirmed the faultless functioning of all essential components – uninterruptedly to this day (…still true in March 2014). The measured energy consumption for heating has remained less than 10 kWh/(m²a) since 1991, the savings in comparison with traditional buildings are higher than 90%. Very good indoor air quality has always been monitored, and the high level of thermal comfort was confirmed by field measurements and user surveys. Most of the components (e.g insulated window frames) were manually-produced unique solutions; the decisive reason for the later production series of these quality building components was their flawless performance.