Multifunctional Air to Water Heat Pump *3.5~28KW,DHW,heating,cooling *High COP, reliable system,good reputation *CE&RoHS Multifunctional Air to Water Heat PumpThis series of heat pumps are called multi-function because they have 3 running modes that could suit your need in different seasons and conditions. They could supply hot water to warm house in winter, supply cold water to cool the house in ...