... 25KW COP:5.2 3.Vertical fan 4.CE, ETL Accessories pool, heat pump with Titanium heat exchanger, CE,ETL,SAA ... otherordinary hot water equipment (for example, combustion oil boilers, combustion gas boilers, electronic boilers and so on), it reduces operating costs ... , low noisefan, high quality pump, creates an extremely quiet machine. Accessories pool, heat pump with Titanium heat exchanger, CE,ETL,SAA