DC INVERTER AIR TO WATER HEAT PUMP split type 20KW heat output, Heating&Cooling Durable,Economical,High-COP ... RoHS approval DC INVERTER R410A AIR TO WATER 20KW (split type)Inside unit include: LCD controller, three way valve, flow ... 1Nominal inputheatingkW4.98coolingkW6.5COP3.97EER2.78CompressortypeScrollQuantity2(one is on/off type, Another is inverter)BrandHitachiOperation ambient range°C-20- 43Sound ...