Ground/Water source heat pump unit
Ground source heat pump heater/chiller unit takes advantage of relative stable low temperature as the cold heat source of cold and hot exchange. When producing heat in Winter, the unit releases the coldness into the soil below the surface of the earth, when refrigerating in Summer, then it releases the heat into the soil below the surface of the earth, what's more,this equipment can fulfill the needs for coldness or heat in 4 seasons of a year.
Double Source Heat Pump