It uses R290 as the refrigerant. “Up to now the R32 HFC refrigerant has been mainstream for A2W in multi-dwelling units and light commercial properties, but Panasonic has become the first ...

The new product utilizes propane (R290) as a refrigerant and has a global warming potential of 3. According to the manufacturer, it can achieve a flow temperature of 75 C and 100% heating output ...