During the hot summer season, all we need is gadgets that will keep the room flowing with cool air to balance the temperatures. A window fan will do if you don’t want a fan that takes enormous space in the room.

Many people cannot buy an air conditioner due to their budget. But they can cool their room effectively with window fans. These fans can operate as exhaust and cooling fans to suck in the hot air and throw in cool air. You can also use the thermostat to set the comfort level you want. Most of these window fans are tailor-made for all the different types and sizes of windows. We have listed the top 10 best window fans in 2021 that you can install in your room to get rid of the summer days with a pleasant interior temperature.

What is a window fan?

Window fans were among the first fans to be designed centuries back. These are fans meant to be installed inside the frame of a window. Installing the window fans increases ventilation in the room since it works in conjunction with the open space to blow in the fresh air in and out of the room. Window fans are pretty much helpful, mainly in small spaces.

How to successfully use a window fan at home

The positioning of the window fan is determined by the time and when you want to use it. For example, if you want to blow the fresh air inwardly, position the fan in the shady area of the room. If you want to attain the outward blow, position the window fan on the sunny area of the window. This ensures you have a good balance of temperature both in hot and chill seasons.

Best Window Fans

10. Bovado Twin Window Cooling Fan

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This is a twin fan set to bring in the fresh air and remove hot air. One is an exhaust fan, and the other is a circulating fan. There are three-speed controls available, and there are locking extenders provided to fit large windows conveniently. The range of the window can be between 23.5 to 37 inches. You can control the operation wirelessly from a distance with remote control. The bug net and cover are included in the package. You can fit it in the double-hung as well as slider windows.

9. Eco Breeze Smart Window Fan

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This is a smart fan window, and it sits just below the window to offer cool air all day and night. There is no need for opening or closing the window anymore. It is easy to install and essential for improving indoor ventilation conditions. It automates the outside air, and it can exhaust the hot air. It is highly effective on hot and humid days. The fan is suitable for the perfect fit for windows in the range of 22 to 36 inches wide. The operation is, and it can automatically switch its speed thanks to the smart sensors.

8. Lasko Reversible Window Fan

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This is a rather large window fan with a powerful performance to blow the hot air out and bring in the cool air. There are three different levels of speed controls available, and the fan is energy efficient. The operation is quiet and ETL listed. The fan is designed to handle power surges and outages for safety and durability. There is a storm guard due to which you can close the window behind it, and you can change the intake and exhaust speed separately.

7. Lasko Weather-Shield Box Fan

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This is a 20-inch window fan with a standalone mounting system. It is a smart saver of electricity, and it has a patented design to sustain against any weather condition. The motor is also weather shielded, and the product features under Amazon’s Choice in the windows fan category. The cover and net of the fan make it highly safe, and there is an inbuilt carry handle with top-mounting control. The wider body structure makes it highly stable and you can move it from room to room easily.

6. Air King Whole House Window Fan

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This is a powerful window fan with a proper lubricating system for consistent performance and low operational noise. There is the front-mounted rotary switch, and the speed is changeable to three different levels. The housing is made of sturdy plastic that is impact resistant, and there is a strong steel front grill with blades that are powder coated for preventing rusting. It is suitable for a window of opening wide of 27 to 38 inches.

5. Genesis Twin Window Fan

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This twin window fan setup is highly effective in exhausting the hot air from the room and bringing in fresh cool air instantly. The max cool technology features an inbuilt thermostat that ranges from 60 to 80 degrees, and there are LED lights available to track the temperature. The fan set has highly durable, and premium-quality copper motors and they are weatherproof. It fits in any window size with extendable side panels. Moreover, it can work as an exhaust and cooling fan simultaneously.

4. Holmes Twin Window Fan

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Just like any twin window fan, one fan is an exhaust fan while the other fan is a cooling fan. The fans come with temperature showing thermostat, and it can fit double-hung and slider windows. There is also an adjustable extender screen available for larger windows. You can control the temperature manually and maintain a comfortable temperature level indoors. The motors are water-resistant, and they operate independently.

3. Holmes Dual Blade Twin Window Fan

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The dual blade twin window fan produces maximum airflow to cool the room temperature in less time. The air velocity is higher than any other traditional twin window fan, and it can act as an exhaust and air intake fan. There are two-speed settings, and it fits most of the windows. If you are looking for a high-speed and better air reach fan, this is the one for you. There is also a one-touch thermostat available with an adjustable screen.

2. Bionaire Thin Window Fan

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It is a set of three window fans in one frame, and three of the fans can work independently with three-speed settings. There are digital LED lights available to indicate the operation, and you can control the thermostat settings as per your liking. The patented locking extender screen helps to fit in larger windows conveniently. The reversible airflow sucks in the hot air in the room and exchanges it with the cool fresh air of the outdoors. The company offers five years warranty.

1. Bionaire Twin Reversible Airflow Window Fan

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This is a wonderful-looking twin window fan that can be made to operate in three different modes. Both the fans can be exhaust fans, cooling fans, or work independently for exchanging air. There is an LED display, and you can control the operation with the remote control. There are three speeds available, and the thermostat is programmable to set the comfort level you want in your room. The fan fits the double-hung, vertical sliding and casement windows.

Special features

How to install a window fan in your home

  • The first step is to get a window fan that fits your window. You should measure the window dimensions so you can get the right size to fit the space when the window is open.
  • Select a rightful window for installing the fan where there is lesser noise from the surroundings. Also, ensure the windows have screens to prevent insects and bugs from accessing your house through the opened windows.
  • Then open the window wide, and place the fan on the window frame.
  • If you have the slide window type, slide the pane until it holds the top fan section. If you have the verticle closing windows, close them from sides until they firmly hold onto the fan. It is crucial to ensure there are no gaps left on the sides once you install the fan. So, if there are any, close them with tapers.
  • If you want to use the window fan during the day or in the hot season, place it inward to blow the air from out to the inside, but if you want to use it in cold times or night places, it blows air outside.

Tips for using the window fans for effective results

  • If you want to cool the room, use the window fans at night to blow air inside the room and daytime to blow the air out.
  • If your home only has a one-story building, place one fan to blow air inward and another one to blow air outward if you have two windows in the room
  • Those living in multiple-story houses place one fan to blow inward air on the lower floor and another to blow air outward on the upper floors.
  • Avoid placing the window fans in areas that emit bad odor as they will circulate the foul smell in your home
  • For effective results, choose a fan that is bigger than the window for maximum heat blow

Benefits of window fans

Works with other fans

Window fans allow flexibility, especially when paired with other fans in the room. You can install the fans in all windows available in your room if you wish to increase the airflow.

Are reversible

The window fans are helpful during the day and night since you can place them to alternate their blow air.

They are energy efficient

When it comes to energy-efficient devices, the window fans are the best in saving power usage in the room.

Are reliable

Window fans are super reliable since they help balance the air temperatures in the room during the day and night.

What to consider when buying a window fan

Consider the size

A well-fitting window fan is good since it covers the entire window area for excellent airflow. However, you need to make sure that you have enough clearing space when removing or installing the window fan. So, as you buy it, ensure it is a good fit that does not take up all space on your window frame.

Durability

Regardless of the fan’s materials, I am sure you need a fan that will last you for a long time. So, even if you opt for fan-made with plastic materials, make sure the materials are strong such that the casing does not crack even when the window hits the fan by force.

Reversibility

The reversible fans are recommendable for all-weather since they bring in cool air and take it out to ensure warmth in the room. This is a fan that you can use day and night in cold and hot seasons. So, consider the fan that has reversibility mode.

Energy efficient

Although the window fans are traditionally energy efficient, some brands are more recommendable and have the green star mark. If you are using the fan for an entire day, you need to make sure that it does not affect your power bills by hiking them. So, checkout for the energy-efficient feature.

Control mode

The window fans have two control modes whereby some come with a remote to adjust them from a distance, and others are equipped with buttons. If you want a fan that you can comfortably control without getting off your bed, then choose the brand with remote control.

The cost

A good and durable window fan should not necessarily cost you a lot of money. But some factors like the type, brand, features, reliability, and materials may affect the pricing of the fans. Just ensure that the fan that you choose has the right features.

Frequently asked questions

Q; Are window fans effective?

Window fans are pretty effective in keeping the room cool and ensuring there is enough air circulation of fresh air in the room.

Q: Should I install my window fan to blow inward or outward?

This depends on the room’s temperature level, which is where the reversible window fans are pretty functional. If it gets humid in the room, it is safe to blow the air outward, and when it gets hot in the room, an inward blow will do.

Q; Can I leave my window fan on the window when it is raining?

If the fan’s motor is resistant to weather damages and is enclosed, you can leave the fan set during the rain. But, avoid leaving it when it is heavily raining, probably with storms.

Q; How can I clean my window fan?

  • Unplug the fan from the power outlet and ensure it is off
  • Then get a vacuum cleaner and blow the interior of the fan to get rid of dust and debris
  • Then lastly, wipe the outer case with a damp cloth.

Conclusion

There are different types of window fans available like some are single, others are twin, and some also have three fans. The twin ones are the best as the fans can work independently to exhaust air and bring in fresh cool air. It is also better to buy the one that comes with the thermostat so that you can adjust the temperature. Furthermore, there are some that come with a remote control to adjust the speed as per your liking. All these window fans are highly durable and have weather-resistant components.


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