... 7.2kW, 12kW CE,CCC,ISO9001,ISO14001 Air source and water source heat pumpsDomestic or commercial applicationsBest quality and price competitive ... around 5.1 Air to WaterAir-to –water heat pumps are those which extract heat energy from ambient air (the heat source) and reject ... are more versatile in applications. For instance, an air-to-water heat pump installed for kitchen, where the environment is hot ...