Of particular importance to the residents of the Wieden 90-98 housing complex in Dornbirn (Austria) was the visual enhancement of their neighbourhood. VOGEWOSI, the state’s largest non-profit housing association, however, sought to achieve more: the association aimed to refurbish the buildings to “factor 10” renovation standards. By applying these standards, heating requirements would be reduced from 250 kWh/m2a to about...