air conditioner water heater heat pump heating: 4.5kW, 8kW, 13.5kW cooling: 3.5kW, 7.2kW, 12kW CE,CCC,ISO9001,ISO14001 Air source and water source heat pumpsDomestic or commercial applicationsBest quality and price competitive. ISO9001 and ISO14001 Certified factoryWith Full heat pumps Production Line WorkshopTechnical background heat pump R&D Team and Skillful WorkersNational standard Testing ...