Good question for your dealer. My 2020 Montana has one heat pump in the living area and I simply press the thermostat mode to heat pump and set the temperature..........no vents to open or close. Heats the trailer quietly and comfortably in combination with the electric fireplace.
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2020 Montana 3780RL fifth wheel
2016 F-350 6.7L Diesel Crew Cab Long Bed DRW
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