What Happens When I Hear a Weird Noise Coming From My AC?

an image of an air conditioning unit

Your air conditioning system uses a combination of moving parts and pieces to provide cooling in your home. There are a few common sounds that you should keep an ear out for.

If your air conditioning system is making one of the following noises, make sure to call One Hour Heating & Air Conditioning® of Largo immediately. These issues are not the type to fix themselves over time, and it is likely they will only get worse.


When you hear a squealing noise, it generally indicates that your fan belt is old and need of updating. A professional will be able to order and install a new belt for you.


A distinct hissing sound coming from the AC likely points to a refrigerant leak. This is a serious issue for both your AC and for the environment. Contact a professional to come out to plug the leak as well as replace the lost refrigerant.


A gurgling sounds generally means that there is some air in the lines. This is a result of being low on refrigerant. It is against the law for anyone who is not EPA certified to handle refrigerant, therefore your best course of action is to contact the professionals at One Hour Heating & Air Conditioning® of Largo to come out and remedy the situation.

Now you know what that weird sound is, you understand why it’s crucial to act on troublesome noises from your air conditioner as soon as possible. Call the professional at One Hour Heating & Air Conditioning® of Largo if you’re having any issues with your AC system. Because of the many different causes that might lie behind the weird sounds, it will take HVAC experts to correctly diagnose and repair the problem. If you have any questions or concerns, call One Hour Heating & Air Conditioning® of Largo today!