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5 AC Noises That Should Never Be Ignored

Your AC system makes sounds as it runs through its regular cycles. However, not all sounds signal efficiency. Sometimes, these sounds are a sign of damage. It’s important to be aware of the normal sounds your AC system makes. Take note of strange noises and know what to do if they happen to your unit.

At Southern Air Heating, Cooling & Plumbing, we’ve seen it all. Residents of Baton Rouge can rely on the experience of Southern Air to quickly find the source of their AC noises and recommend an AC repair that will last. Read on to learn about five AC noises that should never be ignored.

If Your AC Makes Banging Noises

If your AC is making loud noises while it runs, don’t ignore it. Specifically, if the sounds are loud enough to disrupt your daily life, you should assume something is off. Banging noises can be a sign of:

  • Loose parts
  • Damaged fan blades
  • Imbalanced motor

Loud banging noises often signal a loose or damaged part. Contact an HVAC professional to check your system for broken parts or other necessary repairs. It’s much better to fix a small AC repair than deal with a major repair later!

When an AC is Clicking

It is normal for your AC to click when it turns off and on. When you should be concerned about clicking noises is when they continue throughout the cooling cycle. Continuous clicking can signal:

  • Electrical issues
  • Twigs or debris in the condenser unit

If you schedule regular maintenance, debris will not build up in your unit to cause clicking in the first place. If you suspect that the issue is electrical, hire a professional for repairs or replacement. Never attempt to repair electrical components yourself.

Your AC is Buzzing

Similar to clicking noises, buzzing can also signal an electrical issue. With the risk of electrical fires and shorts climbing, it’s best to address the sound promptly. A buzzing AC unit could be caused by:

  • Loose wiring
  • Dirty air filter

A dirty air filter is an easy fix that any homeowner can take care of without professional help. But if your fan motor is buzzing or you suspect your AC unit has loose wiring, the buzzing may be electrical. Electrical issues pose a serious safety hazard, so always hire a professional.

What Makes an AC Rattle

You can think of rattling noises as the smaller repair that leads to banging noises. When you hear rattling noises, understand that your AC could be struggling with:

  • Debris in the condenser unit
  • Loose parts

Loose parts and dirty condensers should only be repaired and cleaned by professionals. Your AC unit contains a lot of electrical components that pose a risk of injury. Trust trained technicians for any AC repair.

Your AC is Squealing

Squealing is an unmistakable AC noise that should not be ignored. If your AC is squealing, turn it off immediately as it could be caused by:

  • Loose belt
  • High pressure
  • Worn compressor bearing

Turning off your AC as soon as you hear this noise will prevent your unit from enduring any more damage and protect your home from and dangerous consequences. Contact a professional right away to repair your AC.

AC Repairs with Southern Air

If your AC is making strange or loud sounds, it may be time to call for AC repair services. Let the professionals at Southern Air Heating, Cooling & Plumbing help your unit get back in working order. Our team will get to the bottom of the noise and make repairs you can count on to last.

For the best AC repair and maintenance services in Baton Rouge, trust us at Southern Air. Contact us today!

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What Our Customers Are Saying

Courteous and Knowledgeable

I would recommend Southern Air Heating, Cooling & Plumbing all everyone. The team was courteous and knowledgeable, and did not waste time in setting up my new Unit. The installation team was excellent and had time to answer all of my questions and explained everything to me. A+++++


Highly Recommended

Highly recommend Buddy’s!! Great customer service from a nice lady named Arielle. They came out same day and fixed my AC at a very reasonable price. I haven’t had any issues since. I’m so happy I found a reliable repairman. Thank you Buddy!

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Excellent Service!!!

Excellent service!!! We had to replace our entire unit and Jake Sherman had the new unit installed and running in one day!!! Call and ask for Jake he is just the best!! Thank you Buddy’s A-1 Air Conditioning!!

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