- Check and tighten electrical connections.
- Inspect the thermostat for proper operation.
- Inspect ductwork for leaks and obstructions.

- Clean or replace air filters.
- Clean and clear condensate drain lines.

- Test system controls and safety mechanisms.
- Measure refrigerant levels and recharge if necessary.
- Test airflow and adjust as needed.

Lubricate fan motors and bearings to ensure smooth operation and prevent overheating, enhancing system efficiency and component lifespan.

- Address any minor issues that can be resolved on the spot.
- Provide recommendations for any major repairs or replacements needed.