1. air source heat pump,hot water heater; 2. used for swimming pool,hotel, etc; 3. environment friendly; ... ~6kWh with the consumption of only 1kWh,save 50~80% electric costs; no fuel transportation costs and low maintenance costs3. Convenient ... , etc; hot water source for swimming pool, factory , farm, etc.6. Heating capacity: 18kw,35kw,70kw RWC series air source heat pump water heater