a girl in a pink shirt

Why Is My AC So Loud? Solving Air Conditioner Noises

Having a
Call or Find Your Nearest Pro!

The zip code you entered is not associated with one of our locations. Please visit our Locations page to find your closest location.

Contact Us

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

September 22, 2023

When it comes to home comfort, a functioning air conditioner is essential. However, an AC that is excessively loud can be a major source of annoyance and disruption. Many homeowners find themselves wondering why their air conditioner is making such loud noises and what they can do to fix it.

You're not alone if you're wondering why your AC is so loud. The good news is that there are steps you can take to identify and solve the source of the noise. By understanding the different types of air conditioner noises and their potential causes, you can address the issue and restore tranquility to your home. In this article, join the experts at 1-800-Plumber +Air as we explore why your AC may be making noise and provide solutions to help you enjoy a quieter and more comfortable living space.

Common Causes of a Noisy Air Conditioner

A noisy air conditioner can disrupt your peace and comfort at home. By understanding the common causes of these noises, you can take proactive measures to address them promptly.

For any air conditioning issues, remember you can always rely on the experts at 1-800-Plumber +Air to provide reliable solutions and exceptional service—some of the common causes we've found that cause a noisy air conditioner include:

Loose Parts

Over time, the fasteners throughout your AC system can loosen. This might include the screws holding your blower motor in place, the duct connections, or even the parts holding your filters. ACs have a lot of internal motion and vibration, so loose parts will lead to rattling and clanging. A professional can easily locate and tighten these parts.

Broken or Detached Parts

A more serious problem is when parts become broken or fall off entirely. You might hear a loud bang or crunch before the unit gives up, or there may be continual grinding as parts move against each other. These more involved repairs should be made before they affect the performance of the entire unit.

Failing Thermostat or Defective Control

If your thermostat isn't regulating your home's temperature properly, you might hear your AC cycle on and off repeatedly. Listen for cycles or frequent clicking. Alternatively, pay attention to the sounds you don't hear: if your thermostat clicks, but you don't hear the AC come back on, it's time to call a repair specialist.

Clogging Due to Outdoor Debris

If your outdoor unit is clogged with leaves or dirt, your AC system will become louder. It will need to expend more effort to push air past the blockages, so the motor will sound louder, the sound of airflow will be sharper, and your unit may come on more often because each cycle is less effective.

When to Call an HVAC Professional for Loud ACs

When you want a definite answer to the question, "Why is my AC so loud?" call in a trained professional. The earlier you call an AC service about a noisy air conditioner, the better. They can troubleshoot the problem and make small repairs or adjustments before the issues develop into much more expensive failures and breakages.

If you can, record the sound or locate the general area of the sound, such as if it's coming from a particular vent, from your indoor unit, or from your outdoor unit. Also, make a note of any compounding issues, such as warm air during a cooling schedule. These details can help your AC repairperson troubleshoot the problem faster and get your unit back up and running properly.

Contact 1-800-Plumber +Air for a Quieter, More Comfortable Home

There's nothing like a quietly running AC providing cool air in your home, and 1-800-Plumber +Air is here to help get you there. We have local teams of AC experts across the country who can troubleshoot and repair your noisy air conditioner. Reach out today to schedule an appointment so you can get answers and free upfront pricing for repairs — call 1-800-Plumber +Air to get started.

IMG Credit: aslysun