The Germany manufacturer said its new heat pump systems use propane (R290) as the refrigerant and are able to provide a ...

Propane is flammable, of course, but heat pumps can run it safely by separating sources of ignition, like electrical components, from the refrigerant compartments. “It is kind of perfect for ...

The device uses propane as a refrigerant, which allows for high energy efficiency, while keeping carbon dioxide emissions to almost zero. “Our heat pump can heat homes completely environmentally ...