|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||ewith heat recovery|
|Energy standard||Standard of suisse "GEAK", category AA|
|Architect||Quadrat AG, Zollikofen|
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