Best Window Fans in 2021 Reviews

If you are looking to keep your house cool while at the same time cutting on the power costs, you need to install a window fan I the room to achieve your desired results. These devices are available at an affordable price not forgetting that they are going to last for long. Their energy efficiency is another factor that makes these devices better than the traditional air conditioners. These window fans are going to help you eliminate the bad smells from the air which helps in keeping your room smelling very fresh.

You will also appreciate the fact that these devices are very simple to install as compared to the conventional air conditioners. To help you select from the several brands available in the market today, we reviewed some of the best window fans in market today. We also highlighted some important factors you need to consider when making your purchasing decision.

List of Best Window Fans in 2021

#10. Bionaire BWF0522E-BU Window Fan

Bionaire BWF0522E-BU Window Fan

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  • Product Dimensions: 4.5 x 27 x 9 inches
  • Item Weight: 6.4 pounds

This is a very thin kind of fan that comes in an attractive black & blue color. This fan has been designed to allow it fit on windows with a measurement of 25.5 “in width and 8 “in height. The good thing is that the width can be extended using the extender panels.

This fan comes with 3 independent settings for the speed. Also, you should note that it features a digital control panel which is very easy to operate. On top of that, it features an electronic thermostat to make its operation even easier. You will also appreciate the fact that installation is very easy that can be done either vertically or horizontally depending on how you want it.


  • Electronic thermostat
  • Reversible airflow
  • 3 speed settings
  • Digital LED display
     Pros      Cons
  • Affordable price
  • It is possible to reverse the airflow
  • In-built adjustable extender

#9. Comfort Zone Window Fan

Comfort Zone Window Fan

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  • Product Dimensions: 25.2 x 4.8 x 13.8 inches
  • Item Weight: 7.72 pounds

With this window fan, you get to enjoy a very cool breeze as you rest in your house or office. The fan comes with three speed settings to choose from. Moreover, it features push button controls which are easy to use. Its heavy-duty plastic that has been used to design it enhances the fan’s durability.

The fan comes with turbofan blades which are not only durable but also help in maximizing the flow of air for better cooling. You will also appreciate the fact that the fan is remote-controllable which makes it convenient for you. On top of that, this fan is outstanding due to its universal fit.


  • Universal fit
  • Locking Accordion Expanders
  • Multi-functional
  • Reversible fan motors
     Pros      Cons
  • Highly durable
  • Easy to use
  • Has accordion expanders

#8. Lasko 2155A Window Fan

Lasko 2155A Window Fan

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  • Product Dimensions: 8.2 x 14.7 x 22 inches
  • Item Weight: 7.5 pounds

This fan is available in a medium size and features a lot of functionalities to help improve its efficiency. The fan has an electronically reversible design offering you value every other time. This fan has been designed to be used in different home types due to its universal fit.

It features 3 blades that are 16 inches long which are not only durable but also powerful. Other than that, it features expandable side panels that guarantee a very tight fit on the windows which improves its performance. You will also appreciate the fact that the device is installed with ease.


  • Electronically reversible
  • Highly durable
  • Perfect fit
  • Simple installation
     Pros      Cons
  • Affordable price
  • Highly durable
  • Easy to use
  • The fan is a little bit noisy

#7. TruePower Window Fan

TruePower Window Fan

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  • Product Dimensions: 25 x 13 x 7 inches
  • Item Weight: 7 pounds

This is a twin window fan that is reversible and designed to give you cool air in your room during the hot weather fan. Both fans work to bring in fresh air in your room; the exhaust feature removes the hot air from the room; the circulate feature will make one fan perform both functionalities simultaneously.

This is one fan that you can rely upon due to the performance it brings to you. The fact that it has been ETL-approved implies that its quality is unmatched. Furthermore, as opposed to other window fans, this fan operates quietly. The good thing about the fan is the fact that it has been affordably priced despite the amazing features it comes with.


  • Features 2 rotary switch
  • ETL-approved
  • Good performance
  • Ideal for 23-32” wide windows
     Pros      Cons
  • Affordably priced
  • Quiet operation
  • Delivers good volumes of air

#6. Genesis Window Fan

Genesis Window Fan

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  • Product Dimensions: 4 x 24 x 12 inches
  • Item Weight: 8.4 pounds

Among the unique features that come with the product is the fact that it is highly portable. This is because it features an in-built carrying handle that offers a comfortable grip whenever you will be moving to different places. You will also appreciate the fact that it features 2 stand legs that are removable implying that it can be used on the table or the floor.

In case you find it tiresome to keep removing the window fan from where you installed it whenever it will be raining, there is no worry about that. The fan features dual motors that have been made using copper which make it resistant to all types of weather. Its body too has been made using a plastic material which is not susceptible to rust.


  • Expandable side panels
  • 3 speed settings
  • Dual motors
  • Reversible air flow fan
     Pros      Cons
  • Low noise
  • Simple installation
  • Energy efficient
  • The outer body appears very cheap

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#5. Homebasix F-5280A Fan

Homebasix F-5280A Fan

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  • Product Dimensions: 5.7 x 11.8 x 22.8 inches
  • Item Weight: 4.84 pounds

This is a twin window fan that is ideal for individuals who are on a very tight budget. The fan features 7 inches blades which mean that it moves large air volumes. On top of that, it features a simple control knob on its bottom part which is used in choosing the speed of your fan.

The fan is slim enough such that it can be easily installed in most houses regardless of whether there are window screens or not. It comes with a complete kit which includes an extender for easier installation without purchasing extra accessories.


  • 2 speed settings
  • Energy saving design
  • In-built adjustable slide
  • Quiet operating motor
     Pros      Cons
  • Affordable price
  • Not noisy
  • Energy efficient fan

#4. Holmes Dual Blade Window Fan

Holmes Dual Blade Window Fan

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  • Product Dimensions: 22.7 x 11.7 x 5.3 inches
  • Item Weight: 5.25 pounds

This fan features a stylish theme which blends well with most homes. It comes with two blades not forgetting that it is very durable and very simple to install. It similarly features a slim design that fits well on different windows. Its extendable panels similarly help in customizing the fit.

You will appreciate the fact that the fan comes with 6 inches blades that produce less noise. Its dual motors are not only durable but also resistant to water and don’t overheat with time. With this device, you get a warranty of one year and helps in saving your energy bills by 60%.


  • Adjustable extender screen
  • Water-resistant motors
  • Dual-blade operation
  • 2 speed settings
     Pros      Cons
  • Ideal for home use
  • It has a slim design that works well for all window types
  • Its motor is resistant to water
  • It is controlled manually

#3. Optimus F-5280 Window Fan

Optimus F-5280 Window Fan

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  • Product Dimensions: 22.6 x 5.3 x 11.8 inches
  • Item Weight: 9.36 pounds

This window fan is among the best in the market today due to several reasons making it acceptable to most people globally. It features a simple design that does not compromise its functionality. It similarly comes with safety grills that help in protecting your fingers.

This fan sources its power from some water-resistant motors. The motors are adjustable to two different speeds that help in regulating the flow of air. The fan also incorporates a freestanding style that eliminates the need for a permanent installation.


  • 2 speed settings
  • Rain-resistant
  • Manually reversible
  • Safety grills for protecting your fingers
     Pros      Cons
  • Easy to use
  • Affordably priced
  • Efficient air delivery

#2. Holmes HAWF2043 Window Fan

Holmes HAWF2043 Window Fan

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  • Product Dimensions: 25.9 x 13.5 x 5.7 inches
  • Item Weight: 7.9 pounds

To most people, they always consider price a determinant whenever they are purchasing a window fan. This is why this fan has been availed to them at an affordable price without compromising its functionality and its durability is guaranteed.

Apart from its affordable price, the fan can do almost everything that the expensive units can do. You will appreciate the fact it does air intake, exhaust, as well as exchange. It similarly features a reversible motor that allows you take maximum control of the fan. You will also appreciate the fact that its fans can be operated independently.


  • Dual blade operation
  • 2 speed settings
  • In-built adjustable screen
  • Features a reversible motor
     Pros      Cons
  • Very sturdy construction
  • Quiet in nature
  • Easy to operate

#1. Bionaire Twin Window Fan

Bionaire Twin Window Fan

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  • Product Dimensions: 25.5 x 14.1 x 6 inches
  • Item Weight: 8.4 pounds

This window fan tops our list due to the fact that it comes with several amazing features that you will surely appreciate. It arrives as a twin fan and is known due to its durability apart from being remote-controllable. The fan features a programmable thermostat as well as 3-speed settings which helps you customize the cooling.

The fan features a durable body and has been designed such that it fits both the slider as well as the double hung windows. On top of that, it features an LED control panel which helps in making it easy to operate. You will also appreciate the fact that it features a warranty of 5 years in case the fan fails.


  • Electronic control
  • Programmable thermostat
  • Custom fit
  • 5 years warranty
     Pros      Cons
  • Durable fan
  • It features three speed settings
  • It has an LED digital display

Window Fan Buying Guide

  • Safety: Protection of your fan is very important if at all you want it to serve you for a long time. Some safety features that you should consider include some casing which helps in protecting the whole fan from some impact. A water-resistant motor is also worth considering since it guarantees effective operation of the fan even when it is raining.
  • Power: This is another factor that you need to keep in mind when purchasing a window fan. A good fan must work efficiently & it should have the power to draw the air in or out as fast as possible. This helps to get a good circulation of air leading to effective cooling of your room. However, the fan should do that in an energy efficient manner.
  • Fan size: The size of your fan is equally important which will also depend on the room size where you wish to install your fan. You should similarly pay attention to the size of your blade to make sure that you get a good circulation of air in your room. You will similarly get some fans that come with extenders that help in customizing the fit.


Whenever there is a rise in temperature, having an effective window fan will help in keeping your room cool without skyrocketing your energy bills. Generally speaking, a window fans is going to use energy efficiently as compared to the air conditioners that were being used previously. There are very many window fan brands in the market today which might confuse you when trying to choose the best fan for you. We believe that our reviews above will help you arrive at a decision that best suits you. Choose a device that suits you best to enjoy the cool air in your room. Do not allow yourself to be tortured by the hot summer weather again when there are ideal solutions for you already. Take your time to go through our reviews above and select a window fan with all the features that you are looking for. Also, the guide we provided earlier will enhance your good decision making.

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