The Chinese manufacturer said its new heat pump system can continuously and stably ... The new product uses propane (R290) as the refrigerant and is available in five versions with a maximum ...

B.C. is expanding the heat pump program that helps low and moderate income households, including renters, switch to electricity to heat and cool their homes.

refrigeration circuit that reportedly doesn't exceed the maximum limit of 150 grams of propane. “Thus, the heat pump can be operated independently of the safety requirements that apply to indoor ...