What’s That Noise Coming From My AC?

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man hearing loud noises

When you’re trying to relax after a long day of work, the last thing you want to encounter is a noisy air conditioner. Not only is a noisy AC a nuisance, but it can also signal a deeper issue within the HVAC system. Before you put in your headphones and drown out the noise, make sure to thoroughly inspect your air conditioner for any potential problems.

The types of noises you hear from the AC often indicate the issue at hand. While DIY projects can be a fun way to pass the time, it’s best to leave any and all AC repairs to our professionals to ensure every component is working correctly. Keep reading to learn more about the warning sounds that may be coming from your cooling system..


Banging noises sourcing from the AC often indicate a loose or broken component of the unit. As your HVAC system reaches the middle or end of its lifespan, it’s common for parts inside the compressor to become loose.

When parts are disconnected inside the compressor, you may notice a rattling sound when the unit is turned on due to loose parts hitting the exterior framing. Save your system from unwanted damages by calling your professional HVAC team at Smart Air for assistance.


Few things are as unpleasant as a screeching air conditioner. Many homeowners who notice that their system is screeching discover an issue with either the fan motor, blower fan, damaged bearings, or an impaired fan belt.

As you can see, various issues can cause the air conditioner to produce a screeching noise. An untrained eye may not be able to pinpoint the exact cause, but if you give our technicians at Smart Air a call, we’ll be right out to inspect and diagnose the issue.


We’re all accustomed to the familiar light humming noise that our air conditioners produce when active. However, if your system makes a noticeable squealing sound, it could be a call for help!

We understand that a squealing air conditioner can be pretty irritating, and you’ll want to resolve the issue as quickly as possible. There are a few different issues that could be to blame for the squealing. Potential problems include:

  • Bad fan motor bearings
  • Bad blower motor bearings
  • Misaligned motor belts
  • A worn-out blower motor


If you’ve noticed unfamiliar buzzing noises from your air conditioner unit, it’s not a swarm of bees but rather a potential issue with your AC.

From debris stuck in the unit to loose parts to a clogged filter, there’s a number of potential culprits that could be to blame for the buzzing noise you’re experiencing. If you’re at a loss as to what the issue could be, call our team today, and we’ll be right out to investigate.


Air conditioners that start to produce a clicking sound may have a loose part that is brushing against other components of the system. It’s essential to keep in mind that constant clicking from the AC is not normal and may suggest a hidden electrical issue such as a defective control panel, poor electrical connections, or even a failing thermostat.

Expert AC Repair in Houston

When your air conditioner starts to produce unfamiliar sounds, Smart Air is the reliable team to call! We’ll stop at nothing to resolve your air conditioner issue and preserve the comfort levels in your home. At Smart Air, our valued customers are always our priority. Give us a call today at (281) 809-6444 or complete our online contact form, and a team member will be in touch with you shortly.

We look forward to serving you!

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