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Why Is My AC Making So Much Noise?

Woman Checking on AC in Granbury, Texas

Your AC unit will always make some noise when running, and older units are louder than newer ones. Consider the age of your unit before getting too concerned about the noise that it’s making.

At Glenn Aire, we recommend a maintenance inspection at least once a year to inspect the health of your air conditioner. If the regular noise level from your unit is too much for you, we can advise what the next step might be.

How Would you Describe the Unusual Noise that your Unit is Making?



This could be from something that fell into the vents, or something is loose. It could also be your compressor rattling. If it is your compressor, or anything more serious than a loose bolt, you will need a technician to look into the problem further.


Most likely this is one of the fan motors, or it is possible that there is a worn bearing.


This noise might be coming from your duct work when your AC unit turns off and on. This usually indicates a problem with your duct work; not your central air. Duct work ages just the same as anything else and requires routine maintenance to make sure it is functioning effectively.


Unless this noise is coming from your duct work, this could possibly be a refrigerant leak. If that is the case, you will need one of our technicians to handle the problem.

If your AC is making a noise that is unusual or harsh and you are in Granbury, Texas, or surrounding communities, call us today at 817-736-1012 or schedule service online.

Need HVAC Service?

Contact the experts at Glenn Aire Co.

Call us at 817-736-1012!