What Are the Most Common Central Air Conditioner Problems?

Posted December 28, 2024

Central air conditioners are vital for maintaining comfort during hot summers, but like any mechanical system, they can develop issues over time. Many common air conditioner problems stem from inadequate maintenance or normal wear and tear. By understanding these issues, you can address them proactively and keep your system running efficiently. Here are four of the most common central air conditioner problems and how to resolve them.

1. Refrigerant Leaks

Problem: Refrigerant is the substance responsible for cooling the air in your AC system. If the refrigerant level is low, it’s often due to one of two reasons: an insufficient fill during installation or a leak in the system.

Why It’s a Concern: Low refrigerant levels can result in poor cooling performance and increased energy consumption. Additionally, leaks can harm the environment if not addressed promptly.

Solution: A certified technician will locate and repair any leaks, then refill the system with refrigerant. It’s crucial that the refrigerant level matches the manufacturer’s specifications to ensure optimal performance. Regular maintenance can help identify leaks before they become significant issues.

2. Clogged Furnace Air Filters

Problem: Air filters are designed to trap dust and debris, but when they become clogged, airflow is restricted.

Why It’s a Concern: Restricted airflow forces your system to work harder, leading to increased energy consumption and premature wear on components. This can ultimately shorten the lifespan of your air conditioner.

Solution: Check and replace your air filters regularly. Most filters should be replaced every one to three months, depending on your usage and whether you have pets or allergies. Keeping filters clean ensures optimal airflow and efficiency.

3. Dirty AC Coils

Problem: The outdoor condenser coils play a critical role in releasing the heat absorbed from your home. Over time, these coils can become covered with dirt, debris, and other contaminants.

Why It’s a Concern: Dirty coils reduce your system’s ability to cool efficiently, forcing the unit to work harder and consume more energy. This can lead to increased wear and tear, as well as higher utility bills.

Solution: Schedule routine cleaning of the outdoor coils as part of your annual maintenance. You can also help keep the area around your outdoor unit clear of leaves, grass, and debris to prevent buildup.

4. Electrical Component Failures

Problem: Over time, electrical components such as compressor and fan controls can wear out, especially if the system cycles on and off frequently. Corrosion of wires and terminals is another common issue.

Why It’s a Concern: Electrical failures can cause your air conditioner to stop working or operate inefficiently, leading to discomfort and higher repair costs.

Solution: Annual maintenance should include an inspection of all electrical connections and components. A trained technician can identify potential issues, clean corroded terminals, and replace worn parts to ensure reliable operation.

Why Regular Maintenance Matters

Many of these common problems can be avoided or minimized with regular maintenance. Scheduling an annual tune-up ensures your system operates efficiently, prevents unexpected breakdowns, and extends its lifespan. A well-maintained air conditioner not only saves money but also keeps your home consistently comfortable throughout the cooling season.

Schedule Your AC Service Today

Don’t let common air conditioner problems disrupt your comfort this summer. Regular maintenance and timely repairs can make all the difference. Scroll down to locate the ABC Plumbing, Sewer, Heating, Cooling, and Electric office closest to you, and give us a call to schedule your service today. Let our experienced technicians keep your air conditioner running smoothly!

ABC Plumbing Locations

Arlington Heights, IL

220 W Campus Dr
Arlington Heights, IL 60004
Phone: (888) 991-3942

Evanston, IL

828 Davis St UNIT 205
Evanston, IL 60201
Phone: (888) 868-9369

Downers Grove, IL

1001 Ogden Ave LL4
Downers Grove, IL 60515
Phone: (888) 412-3566

Tampa, FL

4326 W El Prado Blvd Suite 7
Tampa, FL 33629
Phone: (888) 594-9030

Largo, FL

11701 S Belcher Rd Suite 127
Largo, FL 33773
Phone: (888) 465-9799


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