The Most Common AC Repairs in Summer – How to Avoid Them

Summer in Fresno isn’t just hot—it’s brutal. And when your air conditioner is working overtime to keep your home cool, it’s also more likely to break down. There’s nothing worse than your AC quitting on you in the middle of a heatwave—especially when the fix could’ve been simple (or even avoidable). Let’s break down the most common summer AC problems, why they happen, and how you can avoid them altogether—including one thing most homeowners overlook: surge protection.

The Heat Is On—and So Is the Pressure on Your AC

As temperatures climb, so does the workload on your cooling system. When your AC runs nearly nonstop to keep up with the heat, wear and tear accelerates. Throw in unpredictable summer storms and the occasional power surge, and suddenly your reliable AC unit becomes vulnerable in more ways than one. Not only can breakdowns leave your home sweltering, but repairs can also be costly—especially if they’re caused by something you could’ve prevented.

Top AC Problems We See Every Summer

Our team at Allbritten has been keeping Fresno homes comfortable for decades, and each summer, we see the same problems pop up again and again:

Frozen Evaporator Coils

This usually happens when airflow is restricted—often from a dirty filter or blocked vents. The coils freeze over, reducing efficiency and eventually causing your system to stop cooling altogether.

Refrigerant Leaks

Low refrigerant levels can make your AC run longer and harder, leading to overheating or even compressor failure. Leaks are often slow and go unnoticed—until your system can’t keep up.

Faulty Capacitors

Capacitors help start your AC’s motors. When they fail, your unit may not turn on at all, or it might struggle to start. These parts are especially sensitive to heat and power surges.

Clogged Drain Lines

Your AC pulls moisture from the air, which has to go somewhere. If the drain line gets clogged, water backs up—sometimes triggering a shutdown or even causing water damage.

Compressor Failure

Often the result of unchecked problems like refrigerant issues or electrical surges, compressor failure is one of the most expensive AC repairs you can face.

Power Surges: The Silent AC Killer

Here’s a common scenario: a summer storm rolls in, lightning flashes, and power flickers. Even a brief surge in voltage can fry your AC’s circuit board or ruin the compressor. And with more storms and brownouts happening in summer, your unit is at risk. Surge protectors aren’t just for computers—they’re a must for your HVAC system. An HVAC surge protector guards your system against voltage spikes from storms or grid instability, helping you avoid unexpected damage that could cost thousands to repair. It’s a simple solution with a big payoff.

How to Keep Your AC Running Strong All Summer

When it comes to avoiding costly AC repairs, a little prevention goes a long way. The good news is that many of the most common summer breakdowns can be avoided with regular maintenance, a few smart upgrades, and a watchful eye. Here’s how to keep your cooling system in peak condition through the hottest months of the year:

• Schedule a preseason tune-up. A professional inspection can catch problems before they turn into breakdowns.
• Change your air filter every 1–3 months. Clean filters protect your coils and improve airflow.
• Install a surge protector for your AC. It’s one of the easiest ways to protect your investment.
• Keep outdoor units clear of debris. Trim back plants and remove dirt or leaves that restrict airflow.
• Watch for warning signs. Strange noises, weak airflow, or warm air are early signs something’s wrong.

By staying proactive and investing in the right protection now, you’ll save yourself from the stress and cost of an emergency AC repair when temperatures are at their worst.

Don’t Let a Preventable Repair Ruin Your Summer

At Allbritten, we know how frustrating—and expensive—an AC breakdown can be in the middle of a Fresno summer. That’s why we’re here to help you prevent problems before they start. If you haven’t had your system checked this year—or if you don’t have a surge protector in place—now’s the time. Let’s protect your comfort and your investment. Call Allbritten today to schedule your AC tune-up or ask about our HVAC surge protection options.