Learn What an HVAC Pro Should Check When Performing A/C Maintenance

Learn What an HVAC Pro Should Check When Performing A/C MaintenanceRegular maintenance for the air conditioner in your Coastal Bend home extends its life span, prevents problems in the future and keeps it running efficiently. At least once a year, you should schedule an A/C maintenance appointment with your HVAC contractor, which should start with a general inspection of the system.


During the inspection, your HVAC technician should check for loose or corroded electrical connections, evidence of refrigerant leaks, malfunctioning safety systems, clogged condensate drains and airflow problems. If necessary, the refrigerant levels should be checked and the air filter changed. Air ducts should be checked for obstructions, and both the return and supply airflow should be measured to make sure it’s within the recommended tolerances. And the thermostat should be tested for proper operation.

Cleaning the Coils

Both the evaporator and condenser coils should be cleaned of all debris, such as household dust, pet hair, dirt, leaves or twigs, which could inhibit airflow over the coils and lead to poor performance and other system problems. A two-foot area around the outdoor condenser should also be cleared of debris, and the system fan should be cleaned and inspected for damage.

Cleaning the Blower Fan

All dust should be removed from the blower fan, motor, pulleys and surrounding cabinet. The motor bearings and pulleys should be lubricated, if possible, and the belt should be inspected and replaced if it’s worn or damaged. If the belt is loose or misaligned, it should be adjusted. Finally, the seal between the air handler and the duct system should be checked for leaks.

Final Tests

After the routine A/C maintenance is complete, the system should be turned on for a while to check the airflow, cooling performance and to make sure that all parts of the system are functioning properly.

To learn more about proper A/C maintenance, or to schedule an appointment, contact our HVAC professionals at CCAC. We serve Corpus Christi and the entire Coastal Bend region.

Our goal is to help educate our customers in Corpus Christi, Texas about energy and home comfort issues (specific to HVAC systems). For more information about A/C maintenance and other HVAC topics, download our free Home Comfort Resource guide.

Credit/Copyright Attribution: “sundatoon/Shutterstock”

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    David Mathewst David Mathews is the owner of CCAC Air Conditioning and Heating. A Corpus Christi native... More »