... one system 2.COP 5.4 3.Dc inverter 4.EEV&PHE use 5.Flexible,floor,radiators,coil,water SAVE ENERGY, COMFORTABLE ... astainless steel-lined hot water storage tank.,air source heat pump, two plate heat exchange ,solar system connection, The system recovers ... -in condenser coil. The heat pump must be installed in a ventilation system intended for mechanical exhaust . Flexible --can according to the ...