I am looking at installing a FHA propane furnace in series with my geothermal heat pump
I am looking at installing a FHA propane furnace in series with my geothermal heat pump so that I can remove the 20 kW electric backup and be able to install a generator. 1st, does this sound feasible? I see they are coming out with hybrid systems.
A relay on the emergency heat circuit would operate the damper and a limit switch would power the propane furnace thermostat when the damper was completely open.
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