21 point Furnace Tune-up includes:
- Measure air temperature in and out of the system.
- Inspect the furnace area for unwanted combustibles.
- Clean the flame sensor.
- Calibrate the thermostat, check for level and secure on the wall.
- Inspect the vent piping for proper clearances, leakage or any other safety issues.
- Inspect filtration system and clean filter or replace as needed.
- Clean furnace combustion air screens or vents, assess their design for safety.
- Check gas pressure and adjust as needed as well as the combustion for proper configuration.
- Check blower amps and capacitor (if applicable).
- Check inducer bearings and amps and overall integrity.
- Inspect condensate drains and p-trap. Clean if necessary.
- Scope the heat exchangers for signs of fatigue and potential cracks.
- Clean furnace exterior.
- Inspect connected ductwork for leakage and integrity.
- Inspect and flush the condensate pump (if applicable).
- Tighten all electric connections both line voltage and control voltage.
- Test all safety controls.
- Check for rodent intrusion or damage.
- Use electronic sniffer to find any gas leaks.
- Check fuse box and electrical.
- Check for any code compliance issues.
