Redevelopment: plus energy apartment building, Berne, Suisse
| General information | |
| Type of building | Redevelopment of an apartment building from 1959 with former 19 smaller flats to a plus energy house with 7 big flats |
| Ventilation concept | Regulated apartment ventilation with heat recovery in all rooms |
| Supply and exhaust air | e² with heat recovery |
| Exhaust air | ego with heat recovery |
| Completion | May 2014 |
| Energy standard | Standard of suisse "GEAK", category AA |
| Architect | Quadrat AG, Zollikofen |