Until 2014, Alinsåshem has completed the thoroughly renovation in area Brogården with passive house technique. This project won the Sustainable Energy Europe Awards in the catalog Living 2014. Between 1963 and 1975 a million apartments were built in Sweden according to “Million Program House”. There are 299 apartments in Brogården which belong to this program.
Passive house technique tries to resolve unfavorable HVAC, high energy using and poor accessibility by 44cm isolation with new material, inside balcony to avoid thermal bridge, new windows and mixed-mode ventilation. The pay-back of investment is about 10 years by Alingsåshem’s calculation.