hat
11.Super pri ki ba operasyon: 1/4 nan elektrik aparèy chofaj dlo; 1/3 nan heaterk dlo gaz; 1/2 nan chalè aparèy chofaj dlo ponp.
eng
11.Super low operation cost:1/4 of electric water heater;1/3 of gas water heaterk;1/2 of heat pump water heater.