Operating Building TIWAG
The headquarters of TIWAG (Tiroler Wasserkraft AG - Tyrolian Hydropower, joint-stock company) is the largest passive building in Tyrol with a value of QE >5 kWh/m²a.
Energy and hot water supply - heat is generated by electric water heating, the heat transfer medium is water, the heating surfaces are concrete ceilings with a tubular system in the concrete core, additional heating is possible through incoming air (source ventilation), and in summer, the same system is used in combination with flowing groundwater to cool the interiors.
Ventilation - electric air heating, double plate heat exchanger with 80% temperature efficiency, the ventilation system is built on the roof of the building, dual usage option due to switching between source ventilation in offices and operation of the canteen.
Energy and hot water supply - heat is generated by electric water heating, the heat transfer medium is water, the heating surfaces are concrete ceilings with a tubular system in the concrete core, additional heating is possible through incoming air (source ventilation), and in summer, the same system is used in combination with flowing groundwater to cool the interiors.
Ventilation - electric air heating, double plate heat exchanger with 80% temperature efficiency, the ventilation system is built on the roof of the building, dual usage option due to switching between source ventilation in offices and operation of the canteen.
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