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When temperatures begin to soar, the AC unit in your Springhill, Florida, home becomes even more important. To lower your risks of major repair or a possible breakdown, it’s crucial to be vigilant about AC noises that your system is making to determine if it’s time to contact an HVAC specialist. If you notice your system making any of the unusual noises below, it might be time to call in the professionals.

Squealing AC Noises

Squealing coming from your system is likely a sign that one of your belts has become worn and is in need of lubrication or replacement. It’s vital to catch this problem before the belt breaks. Otherwise, you risk damage to the other components.


Hissing is a sound you should never ignore. Odds are the noise is the result of a refrigerant leak in your system. Refrigerant leaking into the air is prohibited by the EPA, and if your system loses too much refrigerant, it will stop working properly. You’ll need to have a professional come out to replace your refrigerant line and recharge your system if this happens.

Rattling AC Noises

Rattling in your system typically means that something is loose and moving around in the system or that your motor mounts have failed. The longer you wait to have this fixed, the more damage the loose parts can cause to the components of your system.


Buzzing typically is a sign of problems with the wiring or the arcing connections. Even if they have simply come loose, you’ll want to address this issue early. If the buzzing is accompanied by a burning smell, it could be a sign of a serious electrical problem, and you should shut your system down until it’s repaired to prevent a dangerous situation from occurring.

If you’re hearing any of the sounds listed above, don’t wait for a small problem to become a significant one. Contact us at 866-881-5935 today. One of our Senica Air Conditioning technicians will diagnose your problem and help your system running efficiently again.

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