How Efficient Is a Propane Furnace?


Quick Answer

The energy efficiency of a propane furnace can range between 80 to above 95 percent, depending on the type and model of furnace being used. While a high efficiency propane furnace generally provide greater savings on energy costs, the difference becomes less obvious in regions with no cold winters.

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Full Answer

A propane furnace that has low efficiency wastes more of the energy generated by the combustion of propane, causing it to burn more to generate usable heat. Propane furnaces also vary in terms of how much heat it can generate. The amount of heat generated is measured at a per-hour basis, and it typically ranges between 40,000 to 120,000 British Thermal Units.

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