Banging, Clanging and 3 Other AC Noises in Mandeville, LA

Besides a dull hum, you should never hear any noise from the air conditioner in your Mandeville, LA home. While strange noises can be concerning, they often require only simple fixes. Learn about some common AC noises and what they might mean.

Banging or Clanging

These sounds can originate from the indoor or outdoor unit. A loose screw or component inside the unit can bang around during operation. If the noise is coming from outside, it might be debris, such as leaves or sticks, hitting the fan blades.

Turn off your AC if you hear these sounds. Then call a licensed technician to address loose internal components to prevent further damage.

Whining or Squealing

These high-pitched noises often indicate a lubrication issue. Parts like the fan motor or blower fan might be wearing out and require lubrication. In some cases, a failing motor could be the culprit.

Hissing or Buzzing

A hissing sound can sometimes point to a refrigerant leak. Refrigerant is the coolant that keeps your home cool, and a leak can reduce its effectiveness. A low refrigerant level can also cause a buzzing noise.

If you hear hissing or buzzing, turn off your AC immediately and call an AC technician for help. Refrigerant leaks can be harmful and require professional attention.

Clicking or Popping

Some clicking sounds are normal during startup and shutdown cycles as the system activates or deactivates components. However, rapid clicking could mean there are loose electrical connections.

Popping sounds might occur when the metal ducts expand or contract due to temperature changes. This is usually nothing to worry about, but frequent popping noises warrant a technician’s inspection.

If you are unsure about the source of the noise, or the problem seems serious, you need help from a licensed HVAC technician. Reach out to our team at Three Rivers Services, LLC for AC repair services.

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