When summer hits Memphis, your air conditioner becomes your best friend. It quietly works in the background, keeping your home cool and comfortable. But if you ever notice ice forming on your AC unit—whether it’s the indoor evaporator coil or the outdoor condenser—you shouldn’t ignore it. At AirMasters Air Conditioning & Heating, we’ve seen firsthand how small signs like this can lead to major AC repairs if left unaddressed.
So, what causes this icy buildup, and why is it so important to act fast?
What Causes Ice on an AC Unit?
Ice formation on your AC system is typically a sign that something is wrong with airflow or the refrigerant cycle. Common causes include:
Clogged air filters: Dirty filters restrict airflow, preventing the system from properly exchanging heat.
Low refrigerant levels: A refrigerant leak can cause the coil to get too cold, leading to freezing.
Blocked vents or ductwork: Restricted airflow causes cold air to stay trapped around the evaporator coil.
Faulty blower fan: If the fan isn’t pushing enough air over the coil, it can freeze up.
All of these issues can start off minor but quickly lead to more serious damage if not caught early.
Why Ice on Your AC Is a Serious Problem
It may not seem like a big deal at first, but ice on your air conditioner can be a red flag for deeper issues. Here’s why it’s a problem:
It reduces system efficiency: Ice buildup prevents the unit from cooling your home effectively, meaning it works harder and uses more energy.
It increases wear and tear: When your AC has to run longer to cool your space, it puts more strain on vital components, leading to faster breakdowns.
It can lead to compressor failure: Left unchecked, ice can damage your compressor—the most expensive part of your system.
It compromises indoor comfort: If your AC is frozen, airflow is restricted and your home won’t feel cool, no matter how low the thermostat is set.
What to Do If You See Ice on Your AC
The first thing you should do is turn off your system to prevent further damage. Then, check and replace your air filter if it’s dirty. If ice continues to build up or the unit doesn’t resume normal operation, it’s time to call in the professionals.
At AirMasters Air Conditioning & Heating, our licensed technicians can inspect your system, identify the root cause, and make the necessary repairs to get your AC back in top shape. We’ve been helping Memphis homeowners stay cool and comfortable since 1996—and we’re here for you when things go wrong.
Call us today at (901) 295-4434 to learn more!