Heating & AC Repair

Why Does My Air Conditioner Make a Loud Noise When It Turns On?

While it is normal for your heating and air conditioning system to make some noise when it is operating due to moving parts, it isn’t so natural if you feel the need to take a step back and cover your ears. A really loud noise when you turn on your A/C could mean it is in need of some repairs.


If you are experiencing a super noisy A/C, there may be a problem with one of the following three components:

  • Compressor motor: This is a likely culprit if your air conditioner is only making the loud noise when it turns on. An additional telltale sign with this possibility is a decrease in your air conditioner’s cooling output.
  • Fan motor: If your A/C is making a variety of grinding noises, it may mean that the motor needs lubrication or the bearings are bad.
  • Fan Cage: Your fan blades are behind a cage that functions as a barrier to avoid injury. If the cage is damaged, it can cause grinding against the fan blades, which can result in major problems.

It helps to be able to identify the problem, but regardless of your suspicions the very best thing to do is to turn off your air conditioner and call a professional HVAC service like Comfort Monster to come evaluate your situation right away. Click this link to contact Comfort Monster’s friendly and fast helpful team for all your heating and air conditioning product repair needs. Or just call us at 919-MONSTER.