The Chinese manufacturer said its new Heco series uses propane (R290) as a refrigerant and includes five models with a ...

A major change has been the rise of new refrigerants, including R290, or propane. This is the fluid that circulates inside a heat pump. In an air source device, the refrigerant captures warmth ...

noting that the new product uses propane (R290) as the refrigerant. “Results may vary depending on the actual usage conditions.” Samsung also said the new heat pump can replace old heating ...