• June 1, 2024
The Ultimate AC Servicing Checklist for a Cool Home
Regular maintenance of your air conditioning (AC) system is essential to ensure it operates efficiently, lasts longer, and maintains a comfortable indoor environment. Here is the ultimate AC servicing checklist to help you keep your home cool and your system running smoothly.
1. Inspect and Replace Air Filters
- Frequency: Every 1-3 months
- Purpose: Clean air filters improve airflow, enhance efficiency, and ensure better indoor air quality.
- Action: Check filters for dirt and debris; replace or clean as needed.
2. Clean Condenser and Evaporator Coils
- Frequency: Annually
- Purpose: Dirty coils reduce the system’s ability to cool your home and increase energy consumption.
- Action: Remove debris and clean the coils with a soft brush or vacuum; consider professional cleaning for heavily soiled coils.
3. Check Thermostat Settings and Functionality
- Frequency: Every 6 months
- Purpose: Ensure the thermostat is calibrated correctly and operating efficiently.
- Action: Test the thermostat by setting it to different temperatures and verifying that the system responds accordingly.
4. Inspect and Clean the Condensate Drain Line
- Frequency: Every 6 months
- Purpose: Prevent clogs that can cause water damage and affect humidity levels.
- Action: Flush the drain line with a mixture of bleach and water or use a specialized cleaner to remove any blockages.
5. Examine and Tighten Electrical Connections
- Frequency: Annually
- Purpose: Ensure safe operation and prevent electrical failures.
- Action: Inspect all electrical connections, tighten loose connections, and check for signs of wear or damage.
6. Lubricate Moving Parts
- Frequency: Annually
- Purpose: Reduce friction in motors and bearings, extending the life of the components.
- Action: Apply appropriate lubricant to all moving parts as specified by the manufacturer.
7. Check and Recharge Refrigerant Levels
- Frequency: Annually or as needed
- Purpose: Maintain optimal cooling performance and efficiency.
- Action: Have a professional technician check the refrigerant levels and recharge if necessary, ensuring there are no leaks.
8. Test System Controls
- Frequency: Annually
- Purpose: Ensure the system starts, operates, and shuts off properly.
- Action: Cycle through the system’s controls to verify proper operation, including starting, running, and shutting down.
9. Inspect Ductwork for Leaks and Blockages
- Frequency: Annually
- Purpose: Prevent energy loss and maintain efficient airflow.
- Action: Check for visible leaks, blockages, and damage in the ductwork; seal any leaks with duct tape or mastic.
10. Verify Overall System Performance
- Frequency: Annually
- Purpose: Ensure the system operates at peak efficiency and cooling capacity.
- Action: Conduct a performance test to measure the system’s cooling output and efficiency; make adjustments as necessary.
Sources and Additional Information
For more detailed guidance on AC maintenance, you can visit: