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Water/water heat pumps

A water/water heat pump uses the energy of the groundwater.

A suction unit pumps groundwater to a heat pump from an extraction well. The heat of the groundwater is used to heat the building and domestic hot water. The cooled groundwater passes through the absorption wells back into the natural cycle. In general, already existing wells can be used for this heat pump system.

Drilling is not necessary for the installation of an extraction and absorption well. However, the quantity and quality of groundwater must be checked. Water/water heat pumps work very efficiently due to the high average temperature of groundwater of about 10 °C all year round. An appropriately equipped heat pump can also be used in summer for cooling rooms.