... refrigerant 4.EEV&PHE use 5.Flexible,floor,radiators,coil,water Heat PumpOVERVIEWENS DC inverter heat pumps offer the utmost in ... utilizing environmentally friendly R-410a refrigerant and DC Inverter technology, the ENS heat pumps, automatically adjusts its performance to ... 7°C (DT 5°C)Sound pressure level measured at 1m from the unit DC inverter heat pump ( Air source split type,12KW heating capacity ...