Solar and air source heat pump water heater

Solar and air source heat pump water heater Thiswater heater system consist ofair source compressor and pre-heated solar water heater,the quantity of solar collector canbe changable as per the client's requirment. Features: 1) Hybrid advantages of solar water heater and air source water heater.In sunny days,the water is heated by solar energy,while in cloudy or rainy days,the water is heated by air energy. 2) Safe,high efficiency,energy-saving and environment protection. 3) Intelligent control and automatic operation. 4) Convenient installation:available on both horizontal and slanting house roofs. 5) Tank capacity:100L-300L