The AC coil is one of the most important components in your HVAC system because it’s tasked with removing heat from the air that’s passing through your system. The coils are designed to operate at a cool temperature so they can cool the air, but problems in your AC unit may cause the coils to get too cold and start to freeze.Frozen coils will prevent your AC from effectively cooling your home, so it’s important to resolve this problem as soon as possible.How do you know whether you have a frozen AC coil, and what can you do to unfreeze it?

Wondering Why Your AC Coils are Frozen?

AC coils can freeze in any temperature, any time of year—even here in hot Southwest Florida. It might be strange to think that your AC components can freeze even when you’re living in the tropics. What causes this to happen?It helps to understand how your AC coils work.AC coils remove heat from a home by drawing in indoor ambient heat using the refrigerant that’s flowing through these coils. These coils rely on evaporative processes that result in extremely cold coils when heat is removed, but typically not cold enough to freeze. Most AC units circulate refrigerant vapor that’s 40 degrees, which is the ideal temperature to cool air passing through the unit but not cool enough to produce ice.A frozen AC line is usually a sign there’s a problem involving your AC’s refrigerant or airflow. This is a problem that should be treated immediately because frozen coils will impact your AC’s ability to blow cool air into your home. Furthermore, you could damage your HVAC system by continuing to run it when the coils are frozen.

What Causes an AC Coil to Freeze?

There are several issues that may cause your AC coils to freeze:

Signs of a Frozen AC Coil

How do you know if you have a frozen AC coil? You’ll notice the following symptoms, no matter what caused the AC coil to freeze.Your AC isn’t pumping cool airThere’s little air flowing in or out of your ACThere’s ice or moisture visible on the AC unitUltimately, a frozen AC coil will cause your HVAC system to stop working, which could leave you with a hot and uncomfortable house in the middle of the summer.

Troubleshooting Frozen AC Coils

What can you do to unfreeze a frozen air conditioner line? Here are some troubleshooting tips that can help:

How Do You Fix a Frozen AC Coil?

Call an HVAC technician if the troubleshooting steps didn’t work. Most of the time, changing the air filter and letting your AC thaw will get your AC back into working order. If that doesn’t work, there could be another problem with your AC that requires a professional fix.

HVAC technicians can:

Preventative Maintenance to Keep AC Coils Working Great

The best way to prevent a frozen AC line is to schedule an AC tune-up once or twice per year. During a tune up, HVAC technicians will change the air filters, add refrigerant, and inspect your AC for any other problems that could cause it to fail. In many cases, all that’s needed to keep the AC coils from freezing is to give it a quick and professional cleaning. Plus, tune-ups are much less expensive than paying for an emergency AC repair and will improve the lifespan and efficiency of your system.

Contact Hurricane Air if Your AC Coils Keep Freezing

Do your AC coils keep freezing, even after you’ve changed the air filter? Call Hurricane AC technicians to have your AC system inspected and repaired. Hurricane Air can fix any problems that are causing your AC coils to freeze, and we can work with any type of home or AC system in Southwest Florida. We also offer annual maintenance plans to reduce the risk of your AC breaking down in the hottest months of the year.

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