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Modern RV’s have thermostats that include a fan “Auto” mode. If your thermostat has a Fan Auto Mode, be sure it is set to “Auto” before asking for Heat and setting the temperature. If the fan is set to High or Low, the Air-conditioner fan will also come on during furnace operation. Although the AC fan is on, the compressor will not come on.

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Categories: Air Conditioners, Furnace

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