1. air source heat pump,hot water heater; 2. used for swimming pool,hotel, ... temperature is -5°C, and provide 60°C hot water.Features:1. Environment friendly: no air pollution, low ... World famous heat pump compressor;5. Suitable Places: hot water supply for Hotels, Villas, Hair Salon, Foot Massage, ... etc; hot water source for swimming pool, factory , farm, etc.6 ...