Step-by-step deep retrofit and building integrated fa\ue7ade/roof on a \u27million program\u27 house

Abstract

Kollektivhuset Stacken is a building from the “miljonprogrammet” – the housing program implemented in Sverige from 1964 to 1975 to ensure everyone could have an affordable home. Step-by-step, it achieves passive house standard, BIPV covers its electricity demand, and the indoor comfort is improved