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How to Tell if Your AC Coils Are Clogged and What to Do About It

ac coil cleaning

When was the last time you gave your AC a little care and attention? Not just flipping the thermostat to “cool” or marveling at that sweet wave of relief on a hot day. We mean real, honest attention. If your AC is starting to feel more like a sputtering old fan, there’s a good chance your coils might be the culprit.

AC coils work quietly to pull heat out of your home and keep things comfortable. But the whole system struggles when those coils get clogged with dust and grime. The good news? You don’t have to be an HVAC genius to spot the signs or take action. 

In this guide, we’ll break it all down — what to look for, what clogged coils mean for your system, and most importantly, what to do about it, AC coil cleaning should be at the top of your to-do list.

Signs Your AC Coils Are Clogged

So, how can you tell if your AC coils are clogged in the first place? Let’s talk about symptoms.

Your AC is Blowing Warm Air

First off, the obvious: If your AC is blowing warm air instead of the cool, crisp breeze you’re used to, clogged coils might be the issue. Dirty coils can’t transfer heat effectively, leaving your system struggling to do its job.

Your Energy Bills Are Skyrocketing

A clogged coil forces your AC to work harder to achieve the same cooling. That extra effort translates to a higher energy bill. If your utility costs are suddenly spiking without a clear reason, your coils could be waving a white flag.

Unusual Noises or Smells

Strange rattling, buzzing, or an odd, musty smell coming from your unit? Clogged coils can lead to mechanical strain and even mold growth.

Frequent System Cycling

Does your AC turn on and off more often than it used to? Clogged coils reduce efficiency, meaning your system has to cycle more frequently to keep up with demand.

Visible Dirt and Debris

If you’re up for a quick inspection, take a peek at your AC unit. The coils, typically located behind a panel, should look clean and shiny. If they’re caked in dust or grime, you’ve found your problem.

Also Read: The Role of Coil Cleaning in Reducing Energy Costs

Why Bother With Clogged Coils?

Clogged coils reduce cooling power and create a domino effect of problems. Over time, restricted airflow and reduced efficiency can strain other components, leading to breakdowns and costly repairs. Neglect the issue long enough, and you could find yourself shopping for an entirely new system.

But beyond the technical headaches, there’s the human element: discomfort. A poorly functioning AC can leave you sweltering during heatwaves, and nobody needs that.

What to Do About Clogged AC Coils

Here’s where the rubber meets the road. Once you’ve identified clogged coils as the problem, it’s time to take action.

Turn Off the System

Before diving in, always power down your AC. Safety first.

Inspect and Clean

While some minor dirt can be handled with a soft brush or compressed air, heavy buildup usually requires professional cleaning. Using the wrong tools or cleaning agents can damage the delicate fins on your coils.

Call in the Pros

When in doubt, trust the experts. A professional AC coil cleaning ensures your system gets the care it needs without risking further damage. The process typically involves specialized equipment to clean deep within the coils, restoring their efficiency and extending the life of your system.

Schedule Regular Maintenance

Don’t let dirt become a regular guest in your AC system. Annual maintenance, including cleaning and inspections, keeps your system in peak condition year after year.

Preventing Clogged Coils in the Future

Now that you’ve tackled the immediate problem let’s keep it from happening again. Simple steps like replacing your air filters regularly, keeping your outdoor unit free of debris, and scheduling routine tune-ups can make all the difference. Think of it as preventative medicine for your home’s comfort system.

Clean Coils, Cool Home!

Your AC cools your home, protects your peace of mind, keeps tempers in check, and saves you from sleepless summer nights. Spotting the signs of clogged coils and taking swift action, whether it’s a DIY brush-up or a professional AC coil cleaning, can save you from costly repairs and uncomfortable days.

And here’s the best part: you don’t have to go it alone. 

At Delta Clean Air, we specialize in giving your AC system the deep clean it deserves. Ready to bring your AC back to life? Give us a call today and reclaim your cool.

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