Help! Why Is My Air Conditioner Making Clicking Noises?

Spoiler alert: That’s not supposed to happen
Even the quietest modern air conditioners make some noise as they cool your home, but there are some sounds your AC just shouldn’t be making. Clicking, banging, clanking and hissing sounds are signs of trouble, and if you hear them, you’ll need to take action to identify and resolve the problem. Here are some common indicators of AC maintenance issues.
First, listen for vibration noises. A humming sound generally isn’t an indicator of a serious issue, but it probably means that something inside your air conditioner is slightly out of order. Loose parts and too-tight refrigerant piping can cause vibration, and if left unchecked, lead to a more serious maintenance issue.
Buzzing or humming could also be a sign of an electrical problem with your air conditioner. Shut off the power and check around the wires for any signs of corrosion, rust or other damage. If … Read Full Post »