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Family house - heat pump with solar hot water system

The heat and cool demand of this family house are 14 and 9 kW, so a Bosch heat pump was installed with 14,4+9 kW nominal performance. This heat pump supplies the domestic hot water demand, too and it has a weather-dependent regulator.

There are 3 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. The free-cooling is done by heat exchanger on the primary side. The heat pump makes domestic hot water in a 500-liter combined tank. In the tank there are two coils – heat pump and solar collector (no HGD Ltd. installation).
According to the plan of the Aqua-Fontana Ltd. this heat pump system was installed by the HGD Ltd

Applied technology: 
Combined and waste heat utilizing systems
Budapest XV., Hungary
Heating power: 
14 kW
Cooling power: 
9 kW