Ensure that your HVAC system is ready to keep you cool during the summer months with these essential maintenance tips.

Inspect and Clean Air Filters Regularly

To ensure optimal performance of your HVAC unit during the summer months, it is crucial to inspect and clean the air filters regularly. Over time, dust, dirt, and debris can accumulate in the filters, reducing airflow and efficiency.

To clean the filters, start by turning off the unit and locating the filter compartment. Remove the filter and gently vacuum or rinse it under running water. Allow the filter to dry completely before reinstalling it. Regularly cleaning the air filters will not only improve the air quality in your home but also extend the lifespan of your HVAC system.

Another important aspect of air filter maintenance is checking for any signs of damage or wear. If you notice any tears or holes in the filter, it is recommended to replace it with a new one. Additionally, if you have pets or live in an area with high pollen levels, you may need to clean or replace the air filters more frequently.


Check and Clean Outdoor Unit

The outdoor unit of your HVAC system can accumulate dirt, leaves, and debris throughout the year, which can hinder its performance. To ensure proper airflow and prevent any potential issues, it is essential to check and clean the outdoor unit regularly.

Start by turning off the power to the unit. Remove any debris or vegetation that may have accumulated around the unit, such as leaves, grass, or branches. Use a soft brush or cloth to gently clean the fins and coils of the unit. Be careful not to bend or damage the delicate fins. If there is stubborn dirt or grime, you can use a mild detergent and water solution to clean the surfaces. Rinse the unit thoroughly with a hose, making sure to remove any soap residue. Allow the unit to dry completely before turning the power back on.


Regular cleaning of the outdoor unit will not only improve its efficiency but also prevent potential breakdowns and extend its lifespan. If you notice any significant damage or issues, it is recommended to contact a professional HVAC technician for further inspection and repair.

Monitor Thermostat Settings

Properly monitoring and adjusting your thermostat settings during the summer months can help optimize energy efficiency and keep your home comfortable. Start by setting your thermostat to a temperature that suits your preferences while still being energy-efficient. A recommended temperature for cooling is around 78 degrees Fahrenheit for optimal energy savings.

Consider using a programmable thermostat or a smart thermostat that allows you to schedule temperature changes throughout the day. This can help you save energy by automatically adjusting the temperature when you're away from home or during the night when cooler temperatures are preferred.

Regularly check and replace the batteries in your thermostat to ensure it functions properly. It is also recommended to keep the thermostat away from heat sources or direct sunlight, as this can affect its accuracy. If you have any concerns or difficulties with your thermostat, it is advisable to consult a professional HVAC technician.

Woman porgramming indoor temperature with smartphone application

Ensure Proper Ventilation

Proper ventilation is crucial for maintaining a comfortable and healthy indoor environment during the summer months. Ensure that all vents and registers in your home are unobstructed and free from any dust or debris. Blocked vents can restrict airflow and reduce the efficiency of your HVAC system.

Additionally, consider using ceiling fans or portable fans to enhance air circulation in your home. This can help distribute cool air more effectively and reduce the workload on your HVAC system. Remember to set your ceiling fans to rotate counterclockwise during the summer, as this creates a cooling breeze.

If you notice any unusual odors, poor air quality, or inconsistent airflow in your home, it may indicate a ventilation issue. In such cases, it is recommended to contact a professional HVAC technician to assess and address the problem.

Schedule Professional HVAC Maintenance

While regular maintenance tasks can significantly improve the performance of your HVAC system, it is essential to schedule professional maintenance at least once a year. A qualified HVAC technician will thoroughly inspect, clean, and tune-up your unit, ensuring optimal performance and efficiency.

Technicians inspect and lubricate all moving parts, check the refrigerant levels, clean the condenser coils and test the overall functionality of the system. They'll also identify any potential issues or signs of wear that may require repair or replacement. By addressing these problems early on, you can prevent costly breakdowns and ensure your HVAC system operates smoothly throughout the summer.


Remember to keep a record of your HVAC maintenance appointments and follow the manufacturer's recommendations for regular servicing. This not only helps prolong the lifespan of your unit but also maintains its warranty. By following these essential HVAC summer maintenance tips, you can beat the heat and enjoy a cool and comfortable indoor environment all summer long.

Dexcomm is a Louisiana-based corporation that provides answering services to businesses and service agencies across the United States. We have been open since 1954, employ a staff of roughly 80 people, and our average client retention rate is 10+ years.

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