Columbia HVAC Now

South Carolina's Heating & Cooling Experts


Expert DIY Tips for Effortless AC Maintenance


Allied Aire Inc. understands the importance of a well-functioning air conditioning system, especially during the sweltering summer months. While professional AC repair and installation services are recommended for major issues, there are some simple DIY tips that can help maintain your unit and extend its lifespan. In this article, we’ll cover practical steps you can take to keep your AC running smoothly.

1. Clean or Replace Air Filters Regularly

Clogged air filters can significantly reduce the efficiency of your air conditioning system, leading to higher energy bills and potentially causing breakdowns. Check your air filters monthly and replace or clean them as needed. A clean filter allows for better airflow and improves indoor air quality.

2. Clear Debris from Outdoor Unit

The outdoor unit of your AC system needs proper airflow for optimal performance. Regularly remove any leaves, grass clippings, or other debris that may have accumulated around the unit. This simple task can prevent potential issues and ensure efficient operation.

3. Check and Clean Evaporator and Condenser Coils

  • Evaporator coils: These coils are located inside the indoor unit and can become dirty over time, reducing cooling efficiency. Carefully vacuum the coils and surrounding area to remove dust and debris.
  • Condenser coils: The condenser coils, located in the outdoor unit, can also accumulate dirt and debris. Gently brush or vacuum the coils to ensure proper airflow.

4. Inspect and Straighten Condenser Fan Blades

If the condenser fan blades are bent or obstructed, it can impact the overall performance of your AC system. Carefully inspect the blades and gently straighten any that are bent. Ensure there are no obstructions preventing the fan from rotating freely.

5. Check for Refrigerant Leaks

Low refrigerant levels can significantly reduce the cooling capacity of your AC unit. Look for signs of leaks, such as ice buildup on the refrigerant lines or a hissing sound. If you suspect a leak, it’s best to contact a professional for proper diagnosis and repair.


By following these simple DIY tips, you can help maintain the efficiency and longevity of your air conditioning system. However, it’s essential to remember that complex repairs or installations should always be handled by professional HVAC technicians like those at Allied Aire Inc. in Cornelius, Huntersville, Davidson, Mooresville, Denver, and Charlotte, NC. Regular maintenance and prompt professional service will ensure your AC unit operates at peak performance, providing optimal comfort and energy savings.