Why my bathroom vent fan make clicking noise even though?

Kathlyn Labadie asked a question: Why my bathroom vent fan make clicking noise even though?
Asked By: Kathlyn Labadie
Date created: Mon, Apr 26, 2021 1:42 AM

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FAQ

Those who are looking for an answer to the question «Why my bathroom vent fan make clicking noise even though?» often ask the following questions:

❔ Clicking noise in bathroom vent when windy outside?

If you hear a banging or clanging noise coming through your bathroom fan when it’s windy, it is likely that the wind is picking up the vent flap and hitting it continuously with a banging noise. These flapping noises come from the wind blowing from the other side of the house which pressurizes it on one side and depressurizes it on the side of the exhaust hood.

❔ Bathroom exhaust fan clicking noise when off?

Walking into a bathroom with a whirring or banging noise in the background even if your exhaust fan is off is like a scene in a horror movie. However, it’s not as terrifying as you might think and the problem is easily fixable.

❔ Bathroom fan makes clicking noise when off?

With gusts of wind, that causes air to actually move from the house out through the exhaust duct. There are various remedies for the bathroom fan to stop flapping. The sound can be even described as a clicking noise when the bathroom fan is turned off. This is common with low winds and aluminium dampers.

9 other answers

Here are some fixes and tips that can greatly reduce the annoying noise your bathroom exhaust fan is making while off. Insulate Your Bathroom Exhaust Fan. Insulating your bathroom fan is a remarkable way to reduce and even eliminate the sound vibrations you get while your exhaust is off.

Bathroom exhaust fan knocking noise- If your fan is way out of alignment, it may be hitting the side of the fan housing as it spins, creating a loud knocking noise. This would also happen if there was a sizable piece of debris stuck inside the fan housing.

After installation and closing up the ceiling, I noticed that the fan started to make a clicking / ticking sound after running for a bit (doesn't do it immediately upon turning the fan on). It sounds almost like something light is making contact with and repeatedly bouncing off the fan blades; my first thought was that one of the wires was grazing the fan inside the unit's housing.

The dirt and dust accumulate over time and can cause the vent to make loud or vibrating noises. Other times it may be that the fan or blower wheel that spins and expels the air out of the bathroom is out of adjustment and hitting the side of the exhaust housing and thus causing the loud sound.

The whistling is essentially resulting from the flow of air as it passes through the louvers of the heat vent covers. Be sure that you have the proper vent cover on the opening; if the cover has been changed or if it were not properly sized to begin with, you may be able to fix the whistling by installing the proper cover with appropriate louvers.

Tightening the screws may help reduce the noise the fan is producing, so make sure all the screws in the fan are tight. You will note a difference after tightening them if they were the cause of the noise. 3. Wiggle and Tighten each Blade. The noise produced by a fan can sometimes be as a result of loosened blades.

If you notice a clicking sound, this means that the flow switch comes on and off (completely normal). If you hear more noise, check for debris from hard water. You can soften the water with a dedicated device. Other reasons for noises in tankless water heaters include a filthy fan, leaks, and burner.

The most common complaint we get on this matter is usually from return vents making a high-pitched, tuning-fork type of sound. This usually, not always, but usually, indicates a lack of return air. The system needs to pull more air so the pressure and velocity increases, thus increasing the sound level.

If the recurring clicking sound is coming from your control panel or the outside compressor, this typically suggests that there’s a disruption in system relay. Our best advice is to monitor the clicking frequency and then consult an HVAC technician to help you resolve the issue.

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