It’s normal for your air conditioner to make sounds as it turns on and off. Depending on where you are in your Frederick, Maryland, home, you might even hear it hum as it operates. But if you hear any of these four AC noises, you should contact a professional to find and fix the problem:

Banging

Your air conditioner’s compressor sits in the outdoor unit. If you hear banging sounds coming from the outdoor unit, it could be because of a loose fan blade that’s repeatedly hitting something in the housing. A worn fan blade can damage other parts quickly. Therefore, it’s important that you have this issue checked out right away to avoid costlier repairs.

Rattling

A worn fan blade won’t create a rattling sound. Multiple worn fan blades might. Another problem that could result in ratting noises coming from your outdoor unit is loose screws or bolts. These items can cause other parts in the system to vibrate. If left unchecked, loose screws and bolts can decrease the system’s efficiency and lifespan.

Whistling

Leaky ductwork can waste a lot of energy and money. If you hear whistling sounds coming from your air ducts, you likely have worn or improperly installed seals. This isn’t a simple do-it-yourself fix. You shouldn’t try to caulk the seals. A professional service technician can find the damaged seals and repair any other leakage issues.

Screeching

Screeching is never a pleasant sound to experience. If you hear your air conditioner’s central unit screeching or squealing, it’s probably because of worn, loose or defective belts. To avoid efficiency issues, have a professional replace yours right away.

Some sounds are pleasant to listen to, while others are as disturbing as a scream. If your air conditioner is making strange noises, don’t wait for the problem to fix itself. Contact Eric Smock Heating & Air Conditioning, Inc. at 301-245-2199 to schedule your air conditioner repair today.

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