Erroll Le Vant's Top Ten Points on The Furnace Tune Up I Got Today

1. Check and calibrate thermostat

2. Check manifold gas pressure.

3. Check and adjust airflow

4. Check and adjust burner operation

5. Check and adjust blower components

6. Check and clean flue

7. Lubricate all moving parts as neded

8. Check and clean heat exchanger

9. Inspect the thermocouple and check for leaks

10. Check the controls for the fan.