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Why is My Central AC Making Strange Noises?

Why is My Central AC Making Strange Noises?

If your AC is keeping you up at night, it may not be working right. Properly working central air conditioners are on the quiet side, and if they do make noise it should be one that is soothing, not startling.

Humming

If your AC is making any noise while running, it may be a soft humming noise. If it seems to be getting louder and louder or clunking while humming, that may be a sign that repairs are needed.

These repairs can range from big to small. The clunking while humming can often be a sign of loose parts or wiring. If not treated properly and repaired in a timely manner, it can cause more costly damages to your system.

Rattling

When hearing rattling coming from your AC, it is a sound that can originate from the outdoor unit. A twig or some type of debris may be trapped in your unit.

If it is visible, turn off the system and remove it before it causes any damage. If you don’t see anything, call a professional to help remove it and repair any damages.

Hissing

Hearing a sound that reminds you of a snake can be startling, especially when it is in your home’s AC system.

A hissing noise coming from your unit can indicate a possible refrigerant leak. This not only causes an annoying noise, but it can cause your energy bill to rise and the unit may stop cooling because of lack of refrigerant. This should be checked out by a professional.

Clicking

The click of turning your system on and off is not something to worry about, but if it continues to click while running. This may be a sign you need a new system or repairs.

Whistling

You may whistle while you work, but your AC shouldn’t. Whistling could be a sign of a leak or an excessive amount of pressure.

The leak could be refrigerant or air, but either way, it can be detrimental to your system.

Call an HVAC Specialist

These alarming noises may startle you and cause you to worry. Before anything is damaged, call your HVAC professional to guide you to the right solution.

If you need AC repairs, the Elite Air, Inc. team is ready to help! Call us at (609) 527-3354 for all your HVAC needs!

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