Packaged Terminal Heat Pumps PTHP
4 results found that include 41 products
Reduce energy consumption with packaged terminal heat pumps from Grainger. Each unit switches over to electric resistance heat if heat compressor system fails. During heating, refrigerant in the heat pump runs in reverse direction of the cooling operation. The outside air is cooled, giving up heat to the refrigerant in the heat pump. During cooling, air is removed the building as air is cooled.