Why Is My Air Conditioner Loud?

April 22, 2019 9:26 pm Published by Leave your thoughts

Have you noticed that your air conditioner seems to be operating much louder than usual? All air conditioners will make some level of noise, because they are large machines that have lots of components that work hard to keep your home at your ideal temperature. However, one should very easily be able to tell the difference between normal operating sounds and a machine that is much louder than you’d typically expect.

If your unit is on the older side, this could simply be part of its outdated design. Newer models feature improved technology that cuts down on noise and makes operation generally more efficient. So, if your older unit is on the louder side, this isn’t necessarily a sign that you need to make some repairs or replace the unit.

There are some types of noises, though, that should definitely get your attention. Here are a few examples of some sounds that should prompt you to call an HVAC service in central Kansas:

  • Grinding: Do you hear something that sounds like grinding coming from your unit? This is typically a problem with a fan motor, the most likely explanation being that you have a worn bearing. That’s the first place an HVAC technician will start when analyzing the cause of the noise.
  • Popping: If you hear popping sounds coming from your ductwork, especially while the air is switching on or off, this is typically an issue with the ductwork itself rather than with the actual air conditioning unit. Over time, your ductwork requires at least a minimal level of maintenance to make sure it remains in good condition and that it keeps a proper seal for efficient heating and cooling. If you hear these noises, your HVAC technician should conduct an analysis of your ductwork to determine whether any repairs need to be made.
  • Rattling: Rattling noises are among the most common noises heard from HVAC systems. If it’s coming from the exterior unit, there’s a possibility something fell into the vents, such as leaves, sticks or other debris. The rattle could also be a sign of loose screws, fasteners or bolts. In some cases, a rattling noise is indicative of a problem with the compressor. The more a compressor ages, the louder it gets, which could be what you’re hearing.
  • Hissing: If you hear a hissing or whistling noise from your system, this could be a problem with the ductwork as well. However, if you’re sure it’s coming from the AC unit, this could be a refrigerant leak, which is a problem that only an experienced HVAC technician should take on. If you have a refrigerant leak, that means your air isn’t going to be cooled reliably before it enters your home.

These are just a few examples of some of the most common noises people hear that lead them to call for assistance from an HVAC service in central Kansas. For more information about the services we provide, we encourage you to contact the team at KVK Inc. today.

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