Pompa di calore aria-acqua con inverter DC

COP 5.97 for 9KW DC Inverter air source Heat Pump with Heating and Cooling and domestic hot water functions, R410a,  With most advance European technology to work well in Minus -25ºC much more Higer efficiency than normal air source heat pump. Main Characters: 1. Much more higher COP than normal DC inverter heat pump 2.  Installation is easy and flexible.. [...]