General information

Building type                          Renovation of an apartment building from 1959 with formerly 19 one- and two-room apartments to a plus-energy house with 7 spacious apartments.

Ventilation concept                Decentralised controlled residential ventilation with heat recovery in the entire residential unit

Supply air and exhaust air     e² with heat recovery

Exhaust air                              ego with heat recovery

Completion                            May 2014

Energy standard                     Schweizer Standard GEAK, Category AA

Building owner/architect       Quadrat AG, Zollikofen