DIY AC Maintenance: What You Can Do to Keep Your Unit Running Smoothly

Your air conditioning (AC) unit is a crucial component of maintaining a comfortable indoor environment, especially during the hot summer months. While professional maintenance is essential, there are several DIY AC maintenance tasks you can perform to keep your unit running smoothly. In this blog post, we will discuss effective DIY AC maintenance tips that you can implement to improve the performance and longevity of your AC unit, saving you money on repairs and ensuring optimal cooling comfort.

Regularly Clean or Replace Air Filters

One of the simplest yet most important DIY maintenance tasks is regularly cleaning or replacing your air filters. Dirty filters restrict airflow, reduce cooling efficiency, and put unnecessary strain on your AC unit. Check your filters every one to three months and clean or replace them as needed. This will help improve indoor air quality, prevent debris buildup, and ensure proper airflow throughout your home.

Keep the Outdoor Unit Clean and Clear

The outdoor unit, also known as the condenser, requires regular attention to maintain optimal performance. Ensure that the unit is free from debris such as leaves, twigs, and grass clippings. Gently clean the exterior with a soft brush or cloth and ensure there is at least two feet of clearance around the unit to promote proper airflow. Additionally, trim any vegetation near the unit to prevent obstruction and improve air circulation.

Check and Clean the Evaporator Coils

The evaporator coils are responsible for absorbing heat from the air, and over time, they can accumulate dirt and dust. Inspect the coils annually and clean them if necessary. Use a soft brush or a vacuum cleaner with a brush attachment to gently remove debris. This will help maintain efficient heat transfer and prevent issues caused by dirty coils, such as reduced cooling capacity and increased energy consumption.

Inspect and Clean the Condensate Drain Line

The condensate drain line removes excess moisture from your AC unit. Over time, it can become clogged with algae, mold, or debris, leading to water leakage and potential damage. Inspect the drain line regularly and ensure it is clear. You can use a mixture of bleach and water to clean the drain line and prevent microbial growth. This simple maintenance task will help prevent water damage and ensure proper functioning of your AC unit.

Check and Adjust Thermostat Settings

Your thermostat plays a crucial role in regulating the temperature and comfort of your home. Regularly check and calibrate your thermostat to ensure accurate temperature readings. Consider using programmable or smart thermostats that allow you to set schedules and adjust temperatures according to your needs. Optimizing thermostat settings can help improve energy efficiency and reduce unnecessary strain on your AC unit.

Ensure Proper Airflow

Proper airflow is vital for efficient cooling. Ensure that all supply and return vents are unobstructed and clean. Remove any furniture, curtains, or objects that may block airflow around your home. Additionally, consider using fans strategically to help circulate cool air and reduce the workload on your AC unit. Good airflow will promote balanced cooling and enhance the overall performance of your AC system.


Regular DIY AC maintenance is crucial for keeping your unit running smoothly and efficiently. By following these DIY maintenance tips, including regularly cleaning or replacing air filters, keeping the outdoor unit clean, checking and cleaning the evaporator coils, inspecting and cleaning the condensate drain line, checking and adjusting thermostat settings, and ensuring proper airflow, you can optimize the performance and extend the lifespan of your AC unit. However, it’s important to remember that professional maintenance by an experienced air conditioning contractor is still necessary to ensure a thorough inspection and address any complex issues that may arise.

Get the Best of your AC Maintenance Today!

For professional AC maintenance and repairs in New Orleans, trust the expertise of Big Easy Airconditioning. Our skilled technicians are equipped to handle all your AC needs, providing comprehensive maintenance, repairs, and installations. Contact us today or visit our website to schedule an appointment and experience the benefits of professional AC services.

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