The Ultimate AC Servicing Checklist for a Cool Home

Keeping your home cool during the summer isn’t just about turning on the air conditioner — it’s about making sure your system is serviced and maintained properly. A well‑maintained AC runs more efficiently, saves energy, and lasts longer. Here’s the ultimate checklist to help you keep your cooling system in top shape.


1. Clean or Replace Air Filters

Dirty filters restrict airflow and reduce efficiency. Check filters every 1–2 months and clean or replace them as needed. This simple step improves cooling and indoor air quality.


2. Inspect and Clean Coils

The evaporator and condenser coils collect dirt over time, which reduces heat absorption and transfer. Clean coils annually and keep the outdoor unit free from debris like leaves or grass.


3. Check Thermostat Settings

Ensure your thermostat is working correctly and set to the desired temperature. Consider upgrading to a programmable or smart thermostat for better energy savings.


4. Examine the Condensate Drain

A clogged drain can cause water damage and humidity issues. Check and clear the condensate drain regularly to ensure proper moisture removal.


5. Lubricate Moving Parts

Motors and fans need lubrication to reduce friction and wear. Lubricate blower and condenser fans annually to keep them running smoothly.


6. Check Refrigerant Levels

Low or imbalanced refrigerant levels reduce cooling efficiency and can damage the compressor. Schedule a professional check once a year to ensure refrigerant levels are correct.


7. Inspect Electrical Connections

Loose or faulty wiring can cause breakdowns or even fire hazards. Tighten electrical connections annually and check system controls for safe operation.


8. Clean and Adjust Blower Components

Dust and dirt on blower parts reduce airflow. Clean blower components annually and adjust them for optimal performance.


9. Inspect Ductwork

Leaky or blocked ducts waste energy and reduce cooling efficiency. Check ducts regularly for leaks, gaps, or blockages, and seal them to improve airflow.


10. Test System Controls

Run the AC through its full cycle — start, operation, and shut‑off — to ensure everything works properly. This helps catch issues early before they become costly repairs.


Bonus Tip: Schedule Professional Maintenance

While many tasks can be done yourself, an annual professional tune‑up ensures deeper inspection, testing, and adjustments. This keeps your AC running at peak efficiency and extends its lifespan.


Final Thoughts

A cool home starts with a well‑serviced AC. By following this checklist, you’ll enjoy better comfort, lower energy bills, and fewer unexpected breakdowns. Make AC servicing part of your seasonal routine, and your system will reward you with reliable cooling all summer long.