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Why is My Bathroom Exhaust Fan Noisy

Posted on July 14th, 2020 by Jupiter Tequesta

A staple in most bathrooms, the exhaust fan’s primary purpose is to whisk away moisture, so you’re not left with mold and damage. However, if you flip the switch and are greeted by a not so pleasant sound, there is an underlying problem you’ll want to resolve. 

Here are just a few possible answers to the question, “why is my bathroom exhaust fan so loud?” 

Start With a Deep Cleaning 

The first thing to consider is when the last time you cleaned your fan was. When dirt, dust, and grime build-up, your fan blades can become less efficient. 

Turn off the fan, open the cover and use a rag with warm soapy water to clean the blades, the housing and the motor. Look for any visible signs of wear and tear as you clean. Let dry and replace the cover. If a good cleaning was all you need, the noise should be gone. If not, it could be your motor or mounting. 

Possible Motor Issues

Older exhaust fans can be less efficient than the new models, so one factor could be age. Quality is another thing to consider, as some more affordable options are known to use louder motors. However, if the fan noise is a new occurrence, your motor might be on its way out. While off, you can remove the plate and look for signs of damage or any indication that it’s time for a replacement.  

A Poorly Mounted Fan

One easy explanation for a louder than an ordinary exhaust fan could be how it was installed. It’s possible that the original housing that was used to install it wasn’t installed the right way, or that the hardware associated with it is slowly loosening with time. Either way, the fan is looser than it should be, and the vibrations its creating is not being adequately contained, moving the entire assembly, and creating that noise you are hearing. If this is the case, you might want to consult a professional electrician to fix the issue.

Your Trusted Florida Electrician

We are here to help with all your electrical needs. Contact FPL Home Services to discuss your electrical options.

Broward: (954) 951-5481

Palm Beach: (561) 626-6822

Martin: (772) 546-2822

St. Lucie: (772) 546-2822

Jupiter-Tequesta A/C, Plumbing & Electric, LLC doing business as FPL Home Services.  FPL Home Services is a subsidiary of FPL Home and an unregulated indirect subsidiary of Florida Power & Light Company (FPL). Plumbing services are offered, administered and backed by FPL Home Services, and not FPL Home or FPL. License No. CFC 1430331, CAC 1820030 and EC13007891.


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