The new building comprises a shopping centre, residential units, various shop units and offices. STF Energy is also developing a concept for the ventilation and smoke extraction system for the underground car park of the building complex. In order to meet the requirements of the EnEV, the apartments are equipped with highly efficient ventilation systems including a heat recovery system. The client and the architectural office, Nattler Architekten from Essen, also attached great importance to innovative and efficient building technology.