In this article, you will learn:
Common central AC problems include refrigerant leaks, clogged air filters, dirty condenser coils, and electrical component failures, all of which reduce efficiency and cooling performance.
Low refrigerant, restricted airflow, and dirty coils force your system to work harder, increasing energy bills and accelerating wear and tear.
Annual professional maintenance and routine filter changes help prevent breakdowns, extend system lifespan, and keep your home comfortable all summer.
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, IL220 W Campus Dr | Largo, FL11701 S Belcher Rd Suite 127 |
Downers Grove, IL1001 Ogden Ave LL4 | Tampa, FL4326 W El Prado Blvd Suite 7 |
Evanston, IL828 Davis St UNIT 205 | |
Related Services
Our Blog
VIEW ALL BLOGS
Why Cottonwood Fluff Is Bad for Your Air Conditioner
-
Leaks Under Your Sink? DIY Plumbing Checks Before Calling the Professionals
Regular plumbing checks are a simple yet effective way for homeowners to prevent costly repairs and protect their home. By routinely inspecting areas like under sinks and outdoor hose connections, you can catch small leaks early and address minor issues before they escalate. Simple actions like tightening fittings, replacing worn washers, and monitoring for moisture can go a long way in maintaining your plumbing system. While DIY checks are helpful, it’s important to know when to call a professional for persistent or more serious problems. Staying proactive with plumbing maintenance helps ensure efficiency, lower water bills, and long-term peace of mind.READ MORE -
Chicagoland HVAC Repair, Installation & Maintenance: Your Year-Round Comfort Guide
Chicagoland’s extreme weather—from freezing Illinois winters to hot, humid summers—puts constant strain on your HVAC system. This guide covers the most common heating and cooling issues homeowners face, including furnace problems in winter and AC performance challenges in summer. You’ll learn essential maintenance tips, warning signs to watch for, and when it’s time to repair or replace your system. Stay comfortable year-round with expert insights on HVAC repair, installation, and maintenance tailored for Midwest homes.READ MORE -
DIY Water Heater Flush: What You Can Do Before Calling a Plumber
Your water heater plays a vital role in your daily comfort—but without proper maintenance, it can lose efficiency or develop costly issues. In this guide, we explain why draining your water heater is important, the warning signs to watch for, and how homeowners can safely perform a basic flush. You’ll also learn common mistakes to avoid and when it’s time to call a professional plumber to ensure your system is running safely and efficiently.READ MORE
Our Promises To You
-
Convenient For You
We Work on Your Schedule
-
Background Checks
We do Drug Tests And Background Checks Before Hiring
-
No Need For Stress
Get ABCs Worry-Free Guarantee at No Cost
-
No Surprises
Pricing is By the Job, Not the Hour