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Reine Energie Reinertrag

Hotel ~ 70 kW heat pump system

Geological conditions: there are sand, gravel and clay layers under soil. The heat and cool demand of this hotel are 70 and 36 kW, so an IVT Greenline heat pump was installed with 67,8 kW nominal performance.


This heat pump supplies the domestic hot water demand, too and it has a weather-dependent regulator.
There are 12 pieces BHEs with 100 m depth on the primary side of this system. The pipes are single BHE with 40 mm diameter and the primary side is filled with ethylene glycol and water. The grouting material is bentonite-cement. This system utilized 52.5 kW geothermal heat.
The free-cooling is done by heat exchanger on the primary side. The heat pump makes domestic hot water in a 1.500-liter combined tank.
According to the plan this heat pump system was installed by the HGD Ltd

Angewandte Technologie: 
Wärmepumpe-System mit Erdwärmekollektoren
67,8 kW