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Why is my system heating when it's set to cooling?

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If the heating/cooling system is providing warm air when it's in cooling mode, complete the following steps:
1. Verify the thermostat is wired correctly.
2. Make sure the thermostat is configured correctly for the heating/cooling system type.
3. Verify the wiring is connected correctly and securely to the thermostat.
If the above information has been verified and the issue is still present, contact a HVAC professional.

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