... is the geothermal before we start to explain what the geothermal heat pump is. To give a brief definition, geothermal is the ... , tunnels, and lakes etc, then, a high efficient heat exchanger will bring the energy to refrigeration system, by the working of ... in good-condition running.FunctionFeaturesWe have heat recovery tecnology to improve COP!A part of models for your reference Core components are ...