Having a window fan in your room is an affordable yet effective way to keep cool in the summer if you want to enjoy the season to the fullest. They’re easy to install, versatile, and user-friendly.
The only bother is noise, however, you won't find that in these six options. Read on and check out our quietest window fans:
Here are the quietest window fans you can buy in 2021:
- Powerful: Holmes Group Bionaire BWF0522E-BU
- Sturdy: Bionaire Window Fan with Twin 8.5-Inch Reversible Airflow Blades
- Easy To Clean: BEYOND BREEZE Premium 9” Twin Window Fan
- Easy To Install: Comfort Zone CZ319WT
- Best For Bathrooms: JPOWER 9-Inch Twin Window Fan
- Best For Narrow Windows: Lasko Twin Window Fan
|6 Quietest Window Fans|
|Holmes Group Bionaire BWF0522E-BU|
|Bionaire Window Fan with Twin 8.5-Inch Reversible Airflow Blades|
Easy To Clean
|BEYOND BREEZE Premium 9” Twin Window Fan|
Easy To Install
|Comfort Zone CZ319WT|
Best For Bathrooms
|JPOWER 9-Inch Twin Window Fan|
Best For Narrow Windows
|Lasko Twin Window Fan|
Powerful: Holmes Group Bionaire BWF0522E-BU
- 40% greater air velocity than regular window fans
- Easy to control – LED control panel, electronic thermostat, & 3-speed settings
- Secure - dual locking extender screens
- Not reversible automatically
Getting started with the Holmes Group Bionaire BWF0522E-BU!
Despite the size of 4.5 x 27 x 9 inches, it offers 40% greater air velocity than conventional window fans, with three-speed settings and an electronic thermostat - all are easily tracked on a LED control panel.
A bonus is this window fan can be installed either vertically or horizontally. It also features dual locking extender screens which help keep it in place.
|Holmes Group Bionaire BWF0522E-BU Specifications|
7.8" Height x 36.8" Width x 3.4" Depth
No of Blades
40% greater air velocity than regular window fans
dual locking extender screens
The Holmes Group Bionaire BWF0522E-BU is highly recommended for those in need of the most powerful window fan in the market.
Sturdy: Bionaire Window Fan with Twin 8.5-Inch Reversible Airflow Blades
- Sturdy enough to withstand strong winds
- Versatile - dual fan blades with separate settings
- Conveniently control the fan functions - remote control
- Sharp hard plastic housing, which damages the power cord
- Loud beep sounds
Unlike many other flimsy plastic window fans we tested, the Bionaire is well-made and sturdy enough to be used in a window on a windy day.
Besides its materials, the dual fan blades with separate settings really impressed us. It allows you to set it to exhaust hot air inside out or draw fresh air outside in or does both at a time.
The window fan also comes with a remote controller for extra convenient controls.
Note: Bionaire Window Fan is specifically designed for double-hung, vertical slider windows.
|Bionaire Window Fan with Twin 8.5-Inch Reversible Airflow Blades Specifications|
25.5 x 14.1 x 6 inches
No of Blades
Sturdy enough to withstand strong winds
dual fan blades with separate settings
If you're in search of the sturdiest and quietest window fan, our top choice is the Bionaire Window Fan with Twin 8.5-Inch Reversible Airflow Blades
Easy To Clean: BEYOND BREEZE Premium 9” Twin Window Fan
- Easy to clean – removable grille
- Able to work as a mini floor fan – two detachable legs
- The beep sound when changing the fan settings is loud
This window fan by BEYOND BREEZE is an impressively quiet, compact, and affordable unit that will certainly meet any cooling needs without breaking the bank.
It features three function options, three fan speeds, and two blades with separately reversible motors.
But making it stand out from the competition is the removable grille - which makes cleaning jobs a lot easier. It also highlights two detachable legs to work as a mini floor fan.
|BEYOND BREEZE Premium 9” Twin Window Fan Specifications|
26 x 5 x 14 inches
No of Blades
two detachable legs
For people who are searching for a window fan that is both quiet and easy to clean, the BEYOND BREEZE Premium 9
Easy To Install: Comfort Zone CZ319WT
- Easy to install – practical power cord position & auto-locking expanders
- Prevent debris, dust, and bugs from getting into the house - removable fabric cover
- NO reverse switch
Of all the window fans we tested over the past few years, the Comfort Zone CZ319WT is the easiest to install. No installation is necessary, actually. All you need to do is pop it back in and out.
As it has auto-locking expanders, you can easily adjust it to fit the width of your windowsill.
A big plus is the power cord position - which comes out the middle in a small gap, so no matter you install the fan intake or outtake, it can come in either direction you like.
About the functionality, aside from its effective cooling performance, we particularly loved the removable fabric cover that helps prevent debris, dust, and bugs from entering your house.
|Comfort Zone CZ319WT Specifications|
22.75 x 5.63 x 11.63 inches
No of Blades
practical power cord position & auto-locking expanders
removable fabric cover
The Comfort Zone CZ319WT is an excellent option for people who are in need of a quiet, easy-to-install window fan.
Best For Bathrooms: JPOWER 9-Inch Twin Window Fan
- Perfect for bathrooms – reversible function & three-speed settings
- Run safely – built-in thermostat with LED indicators
- The blue light is too bright at night
Our next pick is specifically designed for slider and double-hung windows from 22.8" to 36" width.
It's powerful, easy to control, and can help optimize indoor air quality. It can suction hot, moisture indoor air outside thanks to the reversible function, three-speed settings, and a remote controller.
The fan also has a thermostat ranging from 60 to 90 degrees F, along with visibly light indicators.
Considering all those features, we believe this is a great choice for the bathroom.
|JPOWER 9-Inch Twin Window Fan Specifications|
24.5 x 12.75 x 7 inches
No of Blades
reversible function & three-speed settings
built-in thermostat with LED indicators
While we wouldn't call it the strongest window fan, the JPOWER 9-Inch Twin Window Fan is versatile enough to work great in any bathroom.
Best For Narrow Windows: Lasko Twin Window Fan
- Ideal for narrow windows – expanders ranging from 22
- No electronically reversible function
The Lasko Twin Window Fan is dedicatedly made for narrower windows ranging from 22" to 32" wide of all styles (whether slider, casement, or double-hung), all thanks to its reliable expander panels.
It is easy to install, user-friendly, and quiet.
Its two-speed settings are moderate to clear the steaming, bad smell, or hot air from a living space. And, at the lower settings, it works almost silently, which is ideal for bedrooms.
For the price, it's a great value.
|Lasko Twin Window Fan Specifications|
5.15 x 21.75 x 10.15 inches
No of Blades
expanders ranging from 22" to 32" wide
fit any window styles, from slider, casement, to double-hung
The Lasko Twin Window Fan comes in a great size for narrow windows plus it works quietly yet powerfully.
How To Choose The Quietest Window Fan?
As we're looking for the quietest window fan, the noise level is obviously the top priority to consider.
The matter is most manufacturers don't indicate the noise level of their product on the packaging. However, there are some features that will help you figure out whether a window fan is quiet or not. Here are common causes of noisy window fans while operating:
- High-speed settings
- High RPM
- Old models
- Many moving parts
- Lack of noise-dampening features
- Improper installation
Window Fan Size
As stated above, improperly fitting window fans to the existing window size will cause rattle noise.
Therefore, it is important to measure the window that you plan to install a window fan on, then choose the right fan size.
Determine The Air Volume That You Need
To move the same air volume, small window fans need to rotate more in a certain time than a larger one, which makes it noisier.
From that point, you should consider the room size and the required air volume before choosing the right fan size and RPM settings. Besides, a window fan with multiple speed settings will come in handy for different air-ventilating needs at different times during the day.
Poor-quality window fans are prone to work noisily because their components tend to wear over time, which leads to more moving parts and causes more rattle noise.
Therefore, we highly recommend you invest in a high-quality product.
Which Brands Make The Quietest Window Fan?
Holmes has been in the air-improving product industry for over 40 years. Up to now, their products are varied, spreading from filters, fans, humidifiers, to air purifiers. In terms of window fans, they are renowned for speeds, power, and compact size for versatility.
What makes Bionaire® Brand outstanding from the rest is rich expertise, advanced technology, innovation, and quality. Besides, they are the pioneers in their field by blending nature and technology, science and art into their products.
With over 100 years of experience in this industry, Lasko is now the best distributor of innovative fan products to customers around the world. They're a proud American-made company, which ensures the quality.
Are window fans good?
Window fans are proven to be good when having them worked in pairs in two different windows: one to push hot indoor air out and one to suction cool outside air in.
How can I make my window fan quieter?
To make your window fan quieter, you can:
- Hack the fan cage
- Check and consider replacing the cushioning
- Lubricate the fan motor
- Align fan blades
- Tighten any loose knobs or screws
- Frequently clean the fan
- Place the fan on a carpet, rug, or a noise-dampening sheet
- Put it on a flat surface
Do window fans use a lot of electricity?
No, they don't. Regular window fans consume only 35-100 watts based on their model and make.
Can you use a window fan not in a window?
It's hard to use a window fan without a window because the way it works is to draw air outside in or inside out to either cool or warm the room.
Will rain hurt a window fan?
Yes, it will. Most window fans aren’t built to be capable of withstanding poor weather conditions or heavy rains.
Windows fans are the do-everything gear. They can suction hot air in a room while drawing cool air outside in to increase the ventilation, making the entire space cooler.
Our comprehensive testing for power, speeds, and durability provide you with the information to know which quietest window fan as mentioned above is right for you.