How to Prepare Your AC for Winter Storage


Preparing your air conditioning (AC) system for winter storage is essential to protect it from damage and ensure it operates efficiently when needed again. Here’s a step-by-step guide to prepare your AC for winter storage:

1. Clean and Clear the Outdoor Unit

  • Remove Debris: Clear leaves, dirt, and debris from the outdoor condenser unit. Use a garden hose to gently spray down the unit and remove stuck-on dirt.
  • Trim Vegetation: Trim back any vegetation or shrubs around the unit to ensure adequate airflow and prevent debris buildup.

2. Turn Off Power

  • Shut Off Power: Locate the disconnect switch near the outdoor unit or turn off the ac repair near me circuit breaker in your home’s electrical panel. Ensure the unit is completely powered off to prevent accidental operation.

3. Inspect and Clean Air Filters

  • Check Filters: Remove and inspect the air filters. Clean or replace them if dirty or clogged to ensure efficient airflow and prevent dust buildup.

4. Inspect Ductwork and Vents

  • Check for Leaks: Inspect ductwork for leaks, especially in areas exposed to outdoor temperatures. Seal any leaks with duct tape or caulk to prevent heat loss during winter.
  • Close Vents: Close or cover vents in unused rooms to redirect airflow and improve energy efficiency.

5. Cover the Outdoor Unit

  • Use a Cover: Cover the outdoor condenser unit with a waterproof AC cover or tarp to protect it from snow, ice, and debris during winter. Ensure the cover is securely fastened to prevent moisture buildup.

6. Schedule Professional Maintenance

  • Annual Service: Consider scheduling annual maintenance with a qualified HVAC technician before winter storage. They can inspect the system, perform necessary repairs, and ensure it’s in good condition for storage.

7. Protect the Indoor Unit

  • Clean Indoor Components: Wipe down indoor vents, registers, and coils to remove dust and debris. Ensure vents remain unobstructed for proper airflow.
  • Adjust Thermostat: Set the thermostat to a higher temperature (around 60-65°F) to maintain a comfortable indoor environment and prevent freezing pipes.

8. Monitor Regularly

  • Periodic Checks: Throughout the winter, periodically check the outdoor unit for damage, snow accumulation, or signs of pests. Remove snow buildup if necessary, but avoid using sharp tools that could damage the unit.

9. Prepare for Spring Activation

  • Schedule Spring Inspection: As winter ends, schedule a spring inspection and maintenance service with your HVAC technician. They can remove the cover, check components for damage, and ensure the system is ready for summer operation.

10. Documentation and Record-Keeping

  • Maintenance Logs: Keep a record of maintenance, repairs, and winter storage preparations. Note dates, services performed, and any recommendations from technicians for future reference.

By following these steps, you can properly prepare your AC system for winter storage, protecting it from damage and ensuring it operates efficiently when you need it again in the warmer months. Regular maintenance and timely preparations help extend the lifespan of your AC system and maintain indoor comfort year-round.


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