
Sunrain 270L R290 Electrical Hybrid All in One Heat Pump Water Heaters Stc SAA. Eco-Friendly R290 Refrigerant: Utilizes R290 refrigerant to create environmentally friendly hot water year-round. High Energy Efficiency: COP of 4.15 and Grade One energy efficiency for optimal power consumption. Quiet Operation: Low noise level of 43-45dB for silent performance in residential areas. Solar & Grid Compatible: Compatible with Energy Management System for optimal use of grid and solar energy. Flexible Capacity Options: Available in 200L and 270L tanks to satisfy different family demands. Comprehensive Warranty: 2 years warranty for the whole heat pump with free spare parts provided. OEM/ODM Support: Full OEM/ODM project solution services available for customized needs.