As part of the renovation and expansion of the Festspielhaus and the Congress Centre in Bregenz, the ventilation and air conditioning system is also to be renewed and upgraded. Particular attention must be paid to the exacting sound requirements in the large hall.
Ventilation, air-conditioning and cooling ceilings encompass the large hall with chair outlets, the grandstand extension, the Propter Homines, Bodensee, and Panorama rooms and the press lounge as well as the kitchen, café and canteen.
- New installation of the air-handling system with a total air flow volume of 83,000 m³/h
- Two newly developed oil-free turbo liquid chillers manufactured by Engie (Quantum model) with a total cooling capacity of 1.22 MW form the core of the system
- Completely new cooling water network from the refrigeration control centre to the various sub-distributors in the respective building sections and from there to the respective consumers
- Small refrigeration units with direct evaporators are installed to meet the cooling requirements in ancillary areas