Type:Air Source Heat Pump Installation:Freestanding Storage Tankless:Storage Housing Material:Galvanized steel coated Use:Bathroom Certification:EMC,UR,UL,RoHS,CE COP:4.0~4.5 Refrigerant:R407C Function:heating&hot water Ambient temperature:-25 C-46 C Heating capacity:11.4KW-76KW items:evi forced air water pump