100 % renewable supply for heating and cooling. Geothermal heat harvest with 64 borehole heat exchangers with a 150 m depth, combined with unglazed low-temperature solar absorbers and asphalt collectors for regeneration. Building component activation for heating and cooling. Waste water recovery. Photovoltaic system. Battery storage.

Adress: A-1140 Vienna Käthe-Dorsch-Gasse 17
Accommodation units: 300
Usable Area: 25.000 m²
Completion: November 2022
Client: Wohnbauvereinigung für Privatangestellte gemeinnützige Gesellschaft mit beschränkter Haftung (WBV-GPA)
Architecture: ARGE-KDG Christoph Lechner & Partner ZT GmbH, Berger+Parkkinen Architekten ZT GmbH
Building Physics: Schöberl & Pöll GmbH
klimaativ certification: Schöberl & Pöll GmbH

Additional information:

Main prize of the ÖGUT Environmental Award 2022 in the category "Climate Neutral City".
Austrian Solar Prize 2023 in the category "Solar Building", Eurosolar Austria.