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3. The following is a Geothermal heat pump where 10 kW of home heating is provided during winter times where the outside temperature is subzero temperature and the Geothermal heat at 12 C and heat is provided with cold water going back to the Geothermal source at 9 C. The hot air is entering the house at 40 C and leaves at 20 C to the heat pump Residential heating Return air from house 20°C Supply air 0-10 kw to house 40°C www Condenser Expansion valve Return water to well 9°C Compressor Evaporator ww Supply water from well 12°C Geothermal Energy

Fig: 1