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Is Your Air Conditioner Making Noise? Here’s Why and What it Means

Air conditioning systems today are built to be quieter than ever before, so if you hear loud noises it could mean something has gone awry. Most of the systems on the market today come equipped with sound dampening technology that keeps them to 55 decibels or less so you really shouldn’t hear too much. With that said, it doesn’t mean you should ignore strange noises. Here’s what they might mean:


It’s never a good sign when a piece of technology makes a banging noise and the same is true for your air conditioning system. This type of sound usually means there’s a loose or broken part. It could be a connecting rod, a piston or the crankshaft or it could signify the blower isn’t balanced properly.


When the brakes on your car start to screech, you bring it in for service, right? Well, you should call for service if your air conditioner is making the same sort of noises. If you hear loud screeching noises coming from the air conditioning system it could mean the fan motor bearings are shot or the blower wheel and housing are on their last legs.


If you hear buzzing, there could be an issue with one or more different parts. There could be debris in the system, the outdoor fan motor could be loose, the fan blades may need to be tightened or balanced or the condenser coil might need to be cleaned. Since there are so many different possibilities here, it’s best to call in the professionals.

The next time you’re inconvenienced by a broken AC, call the specialists at ABC at (888) 868-6667 to schedule a repair! We’ll keep you out of the heat!

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  • “Tom was awesome! He is very personable and explains the whole process well. He did a great job and ensured that he used 5-star service throughout the process. I will definitely use ABC and Tom again in the future for electrical work.”

  • “Bill showed up on time to repair our broken air conditioner. ABC kept in touch throughout the day to let me know time he would be arriving too. Bill was professional, friendly, helpful, and knowledgeable. We wound up signing up for monthly care package because Bill and ABC really made…”

  • “We were very pleased with the service performed by Brett Pack in performing the annual maintenance of our air conditioning unit. He noted it was low on refrigerant, which he then added after consulting with us. He also made sure we took advantage of all available discounts.”

  • “Tom did a super job fixing our electrical problem. He is one of the best electricians I have ever had in my home for repair work. I would highly recommend Tom and ABC Company if you need any type of electrical work. He took his time and explained everything and…”

  • “I am so impressed with Chris and ABC Plumbing, Sewer, Heating, Cooling and Electric. His friendliness honest approach to his Job is remarkable. Thanks Chris for making my day and believing that they are still great honorable people out there.”

  • “Our AC was not working in the 90-degree summer heat. Josh identified that power was not going to the furnace blower. He identified that power was not going to the furnace breaker. His keen eye spotted that the wire leading into the breaker had frayed. He cut out the frayed…”

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