How To Make A Fan Quieter: 8 Tips That Work

Fans are useful in keeping our homes cool during those hot summer days. They are affordable ventilation and cooling alternatives to air conditioning. However over time due to wear and tear, those tiny propellers can make your room sound like a space ship launching pad. Some models will make you lose hours of your precious sleep.

In this article, I’m going to show you step by step on how you can make a fan Quieter, whether a box fan or an oscillating fan.

What makes a fan noisy

There are three main reasons why a fan could be noisily ranging from dirt, how the blades are attached and loose parts.

·        Dirty

I’m pretty sure that you know some fans, such as box fans are effective in keeping dust from getting in a room right? But have you ever asked yourself- where does the dust go?

Well, the dust gets trapped within the fan. Box fans are well known as” dust hosts” and can get filled up with dirt and dust in a matter of days. The fan becomes noisy because the motor has to function as twice than normal.

·        Loose parts

A fan will become noisy when there are loose parts or defective units. While the blades might appear to be rotating as usual, at times the problem might be with the motor itself. For this reason, you can unplug the fan and fix the loose screws or call a professional to inspect it.

Easy ways to make a fan quieter

Below are eight different ways on how to make a fan quieter. These are simple and easy to implement hacks that do not require any technical knowledge.

a)     Align the fan blades

It’s crucial to check fan alignment because uneven alignment will make the fan imbalanced which causes the fan to whirr when switched on.

In order to fix this, first, inspect the blades and make sure that none of the bottom of the blade is touching the surface under. Also, inspect the top side of the blades.

Since most of the fan blades are made of metallic materials, you can align them by bending the blades.

On the other hand, you should adjust the central centre mounting for fans with plastic blades.

For fans without metal centre mounting, you should consider replacing the blades if they aren’t properly aligned.

b)    Clean the unit regularly

For efficiency and better performance, it’s always recommended to clean the entire fan unit thoroughly and at least once a month. This will prevent the accumulation of dust which could otherwise interfere with the motor and blades parts.

A regularly cleaned fan will also be quieter.

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Here is what you should do:

Make sure that the unit is unplugged from the power source. Then unlatch the cage and then unscrew the cap located at the centre of the blades.

The next step would be to remove the second cap that separates the blades from the rear of the cage.

Now it’s time to clean the caps, blades using a wet cloth and then wipe them dry afterwards.

For the motor unit, you can use a dry cloth to clean the exterior. You can use hair dryer/blow dryer to blow out the dust trapped inside the unit. Alternatively, you can use this Electric Blow Duster and spray it into the motor unit.

c)     Tighten loose knobs and screws

After you’ve disassembled your fan unit to get rid of dust, you should at the same time inspect for any loose knobs or screws. You can fix this by tightening them using a screwdriver so that they don’t make unnecessary noise when the unit is turned on.

d)    Oil it- the motor unit

how to make a fan quieter

We all know that oiling reduces friction and also makes a machine run smoothly. Same applies in this case. Oiling the unit will ensure that the motor glides smoothly without any clunking or clicking noises.

You can use this Non-Detergent SAE oil to lubricate the motor. Only use one or two drops at a time; otherwise, you risk damaging the motor.

You should oil the unit at least twice in a year.

e)     Modify the cage

If you’ve thoroughly inspected the fan unit and figure out the cause of noise problem, the next step would be to check the cage or the blade guards.

The fan cage is usually made of metals with metallic or plastic clasps on the side. The clasps can break or become loose with time causing unnecessary noise. Below are some ways you can fix this problem.

You can wedge a small piece of rubber or cardboard between the edges of the cage. Additionally, if the decorative cap on the front side of the cage is loose, you can fasten it back using a permanent glue or a silicone sealant.

You can use duct tape to tighten any other loose part you find on the blade enclosure.

f)      Rug and level it

Let me guess…. your fan stands on a “bare” floor, right? But did you know that placing a thick carpet or a rug underneath the fan can dramatically reduce unwanted sounds?

Additionally, did you know that if a fan is placed on a non-levelled surface, it’s likely to cause unwanted noise? So make sure that the fan is placed on a levelled and smooth floor.

Final thoughts on making a fan quieter

The loud fan can be a real menace especially if you enjoy solitude, but with the above tips, you will be able to quiet your fan and receive full air conditioning benefits. The steps mentioned above can be done at home and doesn’t require the expert help especially if you have some handy skills. If you’re interested to learn more about soundproofing here are some more articles to get you started.

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