References
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 |
New building: "Wohnpark am Wuhle Ufer", Berlin, Germany

General information
| Type of building | New building of apartment buildings with one meeting point |
|---|---|
| Ventilation concept | Regulated apartment ventilation with heat recovery and exhaust air in the utility rooms |
| Supply and exhaust air | e² with heat recovery and fresh air transfer devices with LUNOtherm facade elements |
| Exhaust air | Silvento UP series |
| Completion | January 2014 |
| Energy standard | KfW 55 |
| Architect | BWV to Köpenick |
New building: apartment buildings with meeting point, Düsseldorfer Street 24, Berlin, Germany

General information
| Type of building | Building of a new apartment with meeting point |
|---|---|
| Ventilation concept | Regulated apartment ventilation with heat recovery and exhaust air in the utility rooms |
| Supply and exhaust air | e² with heat recovery and fresh air transfer devices with LUNOtherm facade elements |
| Exhaust air | Silvento UP series |
| Completion | April 2013 |

