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DIY Tips for Fixing Your AC Unit: Keep Your Cool with Southern Comfort Heating, Cooling, and Gas

As the summer heat rises, the last thing you want is for your air conditioning unit to fail. At Southern Comfort Heating, Cooling, and Gas, we understand how crucial a well-functioning AC unit is for your comfort. While some issues require professional attention, there are several DIY fixes you can try before calling in the experts. In this blog post, we’ll provide you with some essential tips to troubleshoot and fix common AC problems.


1. Check and Replace Your Air Filter

One of the simplest yet most effective DIY maintenance tasks is checking and replacing your air filter. A clogged air filter can restrict airflow, causing your AC unit to work harder and less efficiently.

Steps to replace your air filter:

  1. Turn off your AC unit.

  2. Locate the air filter, typically found near the return air duct or blower compartment.

  3. Remove the old filter and inspect it for dirt and debris.

  4. Replace it with a new filter, ensuring it fits securely.


2. Inspect and Clean the AC Condenser Coils

Over time, your AC unit’s condenser coils can accumulate dirt and debris, reducing efficiency and cooling capacity. Cleaning these coils can help restore your unit’s performance.

Steps to clean the condenser coils:

  1. Turn off the power to your AC unit.

  2. Locate the condenser unit outside your home.

  3. Remove any debris around the unit and use a garden hose to gently wash the coils.

  4. Use a coil cleaner for stubborn dirt, following the product instructions.


3. Clear the AC Drain Line

A clogged condensate drain line can cause water to back up and potentially damage your AC unit. Regularly clearing this line can prevent water damage and improve efficiency.

Steps to clear the drain line:

  1. Turn off your AC unit.

  2. Locate the drain line, typically near the indoor air handler.

  3. Use a wet/dry vacuum to remove any blockages.

  4. Pour a mixture of vinegar and water down the drain line to prevent future clogs.


4. Check the AC Thermostat Settings

Sometimes, the issue with your AC unit may be as simple as incorrect thermostat settings. Ensuring your thermostat is set correctly can save you from unnecessary repairs.

Steps to check thermostat settings:

  1. Verify the thermostat is set to "cool" mode.

  2. Ensure the temperature setting is lower than the current room temperature.

  3. Replace the thermostat batteries if needed.


5. Inspect the AC Ductwork

Leaky or disconnected ductwork can cause your AC unit to lose cool air, reducing its efficiency. Inspecting and sealing your ductwork can help maintain optimal cooling performance.

Steps to inspect ductwork:

  1. Turn off your AC unit.

  2. Visually inspect the ductwork for any visible leaks or disconnections.

  3. Use duct tape or mastic sealant to seal any leaks.


When to Call Your AC Professional

While these DIY tips can resolve many common AC issues, some problems require the expertise of a professional HVAC technician. If you’ve tried these tips and your AC unit is still not functioning properly, it may be time to call in the experts at Southern Comfort Heating, Cooling, and Gas.

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