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Heat will not turn on
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- Check the thermostat settings and verify the temperature is set higher than the current room temperature.
- Inspect the air filter and replace it if dirty. Dirty filters can block airflow.
- Check the circuit breaker and reset if tripped. Verify power is going to the HVAC system.
- Examine the condenser unit outside and clear any debris blocking airflow through the coils.
- Inspect the blower fan and motor and ensure the fan spins freely. Oil it if needed.
- Check the pilot light if it’s a gas furnace. Relight it if needed and test the gas valve.
- Look for frost buildup on the coils indicating low refrigerant. Contact an HVAC pro to recharge it.
- Make sure vents and ducts are open and unobstructed throughout the house.
- Inspect the flame sensor and thermocouple on a gas furnace and clean with steel wool.
- Schedule an HVAC professional to examine the system if issues persist after basic troubleshooting.
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