1.Air source heat pump water heater, 2. Use Mitsubishi Special Compressor, 3. Safe, soft,environmental,energy saving. Features 1,We use Mitsubishi compressor ... .2 6.5Rated Power KW1.7 1.89COP Value4.24 3.8Hot Water Output L/H>360 >140Water Temperature ... your enquiry in 24 working hours; 6.Customized design is available ,OEM &ODM are available. air source heat pump water heater water in one set machine