It uses propane (R290) as a refrigerant medium and has sound levels ranging from 48 db(A) to 66 db(A). The novel heat pump can reportedly provide hot water up to 75 C and achieve a coefficient of ...

The radiant burner on it will pump out up to 9,000 BTUs and connect ... by picking up this high-quality and long-trusted portable propane heater from Mr. Heater. It’s lightweight, well-made ...

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 ...