Installation of a ceiling-mounted unit (approx. 3000 m3/h) as well as the installation of ducts, supply air diffusers and swirl valves on the ground floor. Seven decentralised ventilation units (250 m3/h) are to be installed on the first floor. A ventilation unit for kitchen ventilation (2000 m3/h) including connecting ducts must be installed on the roof.

Installation of a ceiling-mounted unit (approx. 3000 m3/h) as well as the installation of ducts, supply air diffusers and swirl valves on the ground floor. Seven decentralised ventilation units (250 m3/h) are to be installed on the first floor. A ventilation unit for kitchen ventilation (2000 m3/h) including connecting ducts must be installed on the roof.