Important HVAC Tune-Up Procedures

Technician should be checking the electrical components within the system to verify that they are operating at peak efficiency and performance.


When choosing a maintenance agreement to prolong the life of your system and improve its efficiency, you want to ensure that it meets the necessary requirements. Below is a list of the tune-up procedures that you should receive when you sign your HVAC system up on a maintenance plan.

Furnace Tune-up Procedures

  1. Inspect and tighten all electrical connections and terminals.
  2. Remove, clean, and adjust main gas burners.
  7. Clean all return air grills throughout the home.
  9. Test and inspect all furnace safety controls.
  10. Test, record, and adjust gas pressure.
  11. Replace or clean standard air filters.
  13. Lubricate all fan motors and all moving parts.
  14. Measure and adjust blower for correct airflow.
  16. Clean, level, test, and calibrate thermostat.
  17. Measure and record heating system output.
  20. Inspect and test all system transformers, relays, contactors, and controls. Measure performance
  21. Repair minor air leaks in plenum and return airdrop.


Air-Conditioning Tune-up Procedures

  6. Clean and inspect condensate drain lines and fittings.
  7. Clean, level, and calibrate thermostat.
  11. Test system starting and running capacitors.
  13. Measure starting and running amperes, line voltage, and control voltage.
  14. Test system-starting capabilities.
  15. Test system for proper airflow and air delivery.
  16. Inspect and adjust all safety controls.
  17. Monitor refrigerant (Freon) pressures and temperatures.
  19. Adjust Freon metering control device per factory/manufacturer’s recommendations.
  21. Monitor fan motors and compressor operating temperatures.
  23. Complete and present full written report.