... source heat pump with heat recovery energy saving,cooling,heating, also supply hot water for domestic use. HVAC air ... Capacity 5.5kw-30kwHeating Capacity 6.2kw-34kwHeat recovery 1.4-7.6kwRefrigerant: R407C,R410A,R290 Compared ... the air source heat pump with heat recovery can provide hot living water on the basis of heating/cooling, ... factory installed. air source heat pump water heater with heat recovery