How To Repair Your AC: A Guide For Homeowners

16 October 2023
 Categories: , Blog


Air conditioning is indispensable for maintaining a comfortable living environment during the scorching summer months. However, if your AC unit stops working or starts blowing hot air, it can quickly become a frustrating situation. Thankfully, many AC problems can be fixed with some basic troubleshooting and simple repairs. 

Step 1: Check the Thermostat

To troubleshoot your AC, begin by inspecting the thermostat. Make certain it is configured to the accurate temperature and set to the "cool" mode. If the thermostat isn't functioning properly, replace the batteries or even consider replacing the unit entirely. For older mechanical thermostats, upgrading to a programmable one is worth considering. These thermostats not only save on energy costs but also offer enhanced functionality.

Step 2: Check the Air Filter

A blocked air filter can cause problems with your AC unit, reducing its efficiency and potentially causing damage. Maintaining optimal performance and safeguarding the unit from potential damage necessitates the crucial task of keeping the air filter clean. When the filter becomes clogged, it can lead to freezing of the evaporator coils. This, in turn, hinders your unit's ability to effectively cool the air.

Step 3: Check the Electrical Connections

Before making any repairs, make sure to turn off the power to your AC unit. Inspect the electrical connections meticulously for indications of damage or wear, including frayed wires or loose connections. Should you detect any concerns, it is advisable to reach out to a skilled HVAC technician promptly for necessary repairs.

Step 4: Clean the AC Unit

A clean AC unit is more efficient and less likely to break down. To ensure a pristine exterior, gently wipe your unit with a damp cloth, effectively eliminating dirt and debris. Then, use a soft-bristle brush to clean the fins on the unit's evaporator and condenser coils. Finally, clean the drainage system, making sure it is free from any obstructions.

Step 5: Replace or Repair the AC Unit

If your AC unit still isn't working after you've followed the above steps, it may be time to replace or repair the unit. If you possess experience with HVAC systems, you may attempt to repair the unit yourself. Seeking guidance from a skilled HVAC technician is consistently recommended. They have expertise in diagnosing issues and providing solutions. Their knowledge and skillset ensure that the problem is addressed properly, offering you peace of mind. They can also recommend whether it is best to replace or repair the unit.

Contact an AC repair technician to learn more.