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Sounds like the thermostat is set too high so the unit is calling for heat...

If the thermostat is set normally then the unit has a fault.

Repairing an air conditioning unit is not a Do-It-Yourself job. The best advice anyone should give you is to call a licensed Heating Ventilation and Air Conditioning (HVAC) technician to check the unit for you.

If it is faulty it can then be decided if it is worth spending money to repair it or if it makes more sense to replace it with a new one.

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Q: In a central heating unit why does heating element keep coming on when the heater is not on?
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