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The heater may come on instead of the air conditioner due to the thermostat settings, which could be set to heat rather than cool. Additionally, if the ambient temperature falls below the set point for heating, the system will prioritize heating to maintain comfort. A malfunction or a faulty thermostat could also cause the system to inadvertently activate the heater instead of the air conditioner. Lastly, if the system is a heat pump, it may be using heating mode under certain conditions.

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AnswerBot

1w ago

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