Summer is here, and there’s nothing like an air conditioning system to keep the home cool and comfortable. However, like any other appliance, AC units are not immune to breakdowns. Fortunately, most of these problems can be resolved quickly with the right knowledge, tools, and skills. This blog post will discuss the most common AC repair issues and some DIY troubleshooting tips you can try to fix them.
- Dirty air filters
Dirty filters are the most common cause of AC problems, leading to poor indoor air quality, high energy bills, and compressor failure. Cleaning and replacing air filters are easy DIY tasks crucial for maintaining your air conditioning system. Begin by turning off the thermostat and locating the filter. If it’s reusable, rinse it under running water and dry it before reinserting it. For disposable ones, purchase a replacement from a hardware store and slide it into the filter compartment. Replace filters every three months or more often if you have pets or allergies or live in a dusty area.
- Refrigerant leaks
Refrigerant leaks can cause your air conditioner to malfunction and affect the cooling efficiency. Signs of a refrigerant leak include ice buildup on the evaporator coil, low airflow, and warm air coming from the vents. Fixing a leak is not recommended as a DIY project since it involves handling harmful chemicals and specialized equipment. Contact a licensed HVAC technician to inspect and repair the leak and recharge the system with the right amount of refrigerant.
- Faulty thermostat
A faulty thermostat can cause your air conditioning system to run continuously, not turn on, or fail to maintain the desired temperature. Check if the thermostat is set to cooling mode and the batteries if they are low. Clean the thermostat’s sensors with a soft brush or compressed air to remove dust, debris, or cobwebs. If the problem persists, consider replacing the thermostat with a new one compatible with your AC system.
- Clogged drain line
A clogged condensate drain line can cause water to back up and damage your air conditioner’s components. Signs of a clogged drain line include water dripping from the indoor unit, a musty odor, and mold growth. Clearing the drain line involves removing the panel cover, locating the drain line, and using a wet/dry vacuum, a plumbing snake, or compressed air to clear the blockage. If you’re unsure how to do it, hire a professional to do it for you.
- Dirty condenser coils
Dirty condenser coils can cause your AC system to work harder than usual and increase energy consumption. To clean them, first, turn off the power to the outdoor unit and remove any debris, leaves, or grass clippings around it. Then, remove the top panel and use a soft brush or a specialized condenser coil cleaner to remove dirt, dust, and grime from the coils. Rinse with water and let it dry before reassembling the unit.
Regular maintenance and timely repairs are essential for keeping your air conditioning system functioning efficiently and avoiding costly breakdowns. If you’re uncomfortable performing any of the repairs mentioned above, contact a licensed HVAC professional for help. Call the pros today!
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