Spotting ice on your air conditioner in the middle of a warm Jacksonville day might seem strange—but it’s more than just a curiosity. Ice buildup on your AC unit is a red flag that something isn’t working properly, and ignoring it could lead to serious problems and costly repairs down the line.
At All Weather Mechanical Inc., we’ve seen firsthand how a bit of frost can turn into a big headache. Here’s what causes ice to form, what it means for your system, and what to do if you see it.
What Causes Ice on Your AC?
Ice forming on your AC unit usually points to one of two things: poor airflow or a refrigerant issue.
Restricted Airflow: Dirty air filters, blocked vents, or clogged evaporator coils can reduce the amount of warm air flowing over the coils. Without enough warm air, the coils get too cold and condensation freezes on contact.
Low Refrigerant: If your AC is low on refrigerant due to a leak, the pressure inside the system drops. This causes the temperature of the refrigerant to fall below freezing, leading to ice buildup on the coils.
In both cases, your system has to work harder, which means higher energy bills and more wear and tear on your components.
Why You Shouldn’t Ignore It
While a little ice might seem harmless, it’s a sign your AC system is out of balance. Ignoring it can lead to:
Complete System Breakdown: Letting the problem go unchecked can eventually cause major damage to your compressor, which is one of the most expensive parts to replace.
Decreased Efficiency: An iced-up system can’t cool your home effectively, meaning your comfort takes a hit while your utility bills go up.
Water Damage: When the ice melts, it can overflow the drain pan and cause leaks that damage walls, ceilings, or flooring.
What You Should Do
If you notice ice on your AC unit, the first thing to do is turn off the system to prevent further damage. Then, check your air filter and replace it if it’s dirty. Make sure vents are open and unobstructed. After that, call the pros at All Weather Mechanical Inc. for a full system check.
Our experienced technicians can identify the root cause—whether it’s low refrigerant, airflow restrictions, or something else—and provide the right solution to get your system back to peak performance.
Stay Ahead with Professional AC Maintenance
Preventing ice buildup starts with routine maintenance. At All Weather Mechanical Inc., we offer professional tune-ups that help keep your AC running smoothly year-round, especially in Jacksonville’s humid climate. Give us a call at (910) 554-3252 to schedule your next service. If you see ice, don’t ignore it—let us help you nip the problem in the bud before it grows.