Strange AC Noises and What They Mean

July 12, 2020

If you hear a strange noise coming from your air conditioning system, it’s a good idea to find the cause. It might be a minor issue or something signaling it’s time for a replacement. Here are the common AC sounds you may hear and what each of them likely means. Rattling, Banging or Thumping Noise A rattling sound could mean various things depending on where you’re hearing it. If you can hear it all over your house, it’s likely that either your ductwork was improperly installed or a section of it has become loose.

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