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Last updated on June 9, 2022 3:50 am by the writer.
Do you need a window fan?
A window fan can mean all the differences in terms of effective climate control inside your home.
Whether it’s for better ventilation or if you want to give your air conditioner a relatively inexpensive air-cooling ‘side-kick, these simple devices do both quite well and help air circulate for a healthier inside.
There are twin blade models and singular bladed ones; while neither is clearly superior to the other, each type does have its perks depending on room size and your desired airflow output requirements.
Best window fan [Twin]
#1 Most powerful double window fan
Holmes HAWF2043-N 8.5 inches, 3-speed, up to 37 inches wide, twin window fan
Has 3-speed variable performance.
Can cover windows up to 37” wide.
Features independent, electronically reversible fan motors.
A window fan is literally a fan that you place or install inside a window frame.
Window fans are effective temperature-control instruments and provide your home with better moisture control, ventilation, and cooler air in a hot environment.
Window fans are usually smaller than other fan types and consume less energy [1], making them ideal for sustainable households.
Anyone can basically use and benefit from window fans as they are simple and straightforward. Keep your air fresh and your home cool with our guide on the best window fan.
Window fans are a great addition to a soundproofed bedroom to enjoy better sleep.
Features to consider with a window fan
Airflow. You’d want a fan that has good airflow, one that you can feel at least a decent 15-feet away. Especially useful during warmer seasons and hot weather.
Fan type. When choosing fan types, determine which will serve you better – size, power, or both? Single fans are usually larger and stronger, while dual fans are more balanced.
Speed. Variable-speed or multiple-speed selections are always an advantage. Multiple speeds allow for versatility and pinpoint adjustment.
Fit. You’d want a model that’s a good fit for your window frame. This will ensure its security and seal any openings to ward off insects and pests.
Controls. Fan controls should be intuitive and simple. Buttons, dials, switches that make operating it easier are a plus. If you fancy smart controls, certain models have a remote.
Reasons to buy a window fan
Efficiency.
Window fans are surprisingly efficient.
Not only do they circulate the air for better ventilation, but they also cool better than box fans or even room fans.
Window fans take in stale, hot room air, and push it outside, allowing the replacement of fresh, cool air from outside to enter through door frames.
Convenience.
Window fans are particularly small compared to other fan types. While they are not the strongest, at their size and with their design, they are the best fans when it comes to climate control and air quality management.
Particularly easy to install and operate, they’re a good alternative to expensive ‘air cleaners’. And to remove moisture from your bathroom after a shower.
Before you buy a window fan
1. Know your brands.
A bathroom window fan, a vertical window fan, a thin window fan, whatever you call it, it pays to know who among the brands is the king of window fans.
Because of their relative simplicity, both in design and manufacturing, there are a lot of window fans out there, from known and lesser-known names alike.
If you’re after longevity and quality, just as you would with good air, then it’s best to also know the credibility of the brand.
In the world of twin fans, names like Lasko are well known and received, same as how brands like I-Living and Air King are with single fan models.
2. Check the durability.
Because of their size, most window fans are made of plastic and other specialized light material.
This isn’t to say that they’re fragile, however.
While a well-known brand can already provide you with a glimpse as to how durable the fan might be, the actual product must be solid to the touch; with no part misfitting or loose.
3. Be aware of your locale.
Window fans can work better depending on your location. In more arid regions, they help alleviate heat and make the air more breathable. In cooler regions, they help maintain enjoyable fresher air.
There are of course extreme cases, in which a window fan might not be the best type to get; on the moon, for example, you want an air-locked system to maintain oxygen levels, or in extreme climate conditions.
4. Think about the price.
A good, fully functional model, even a premium one, can still be under $100.
Twin fans are often smaller than single ones, hence, they are also usually priced lower.
For a small to medium-sized house, twin fans usually do the trick. For larger homes, single fans might fare better, just be prepared to spend a little extra.
Deciding on a window fan
Step 1. Measure the size of your window.
We know it. You need these coolers.
But before you start browsing or typing on Amazon window fans, it’s better to actually measure your window first in order to select a model that’s as close to a perfect fit as possible.
The easiest way to measure your window is to take a tape measure and first get the width at the top, middle, and bottom. Next, get the height by measuring it from the top to the bottom. Do this on for the leftmost, middle, and rightmost parts of the window.
Step 2. Choose a double or single fan that will fit.
Fan models don’t always come as an exact fit.
Luckily, they usually have extendable parts that allow them to cover wider windows.
Once you have your window measurements, it’s time to select a model that has either the same measurements or at least 3 to 5 inches shorter than your window’s width.
Whether you get a twin fan or a single one is mainly preferential or if one type is a much closer fit than the other.
Saving money in this sense is basically saving on costs associated with cooling and air-quality control.
A window fan is a relatively inexpensive device that functions almost as a discount-air conditioner, with the added benefit of circulating or ‘cycling’ the air.
Though it doesn’t purify the air as an air cleaner would, it instead swaps stale air that has been trapped in rooms with fresh air coming from outside.
But whether you install the unit yourself or professionally sourcing the equipment yourself can save you from paying an overhard price, just make sure to get the right size.
Step 4. Organize an electrician to install the unit.
Unless you are already familiar with how to install one or are versed in the ways of home improvement, we recommend enlisting the help of an electrician.
An electrician can make installation easier, quicker, and safer, especially in homes with limited or awkwardly placed power outlets.
Not only that, but an electrician can also find ways to better install the fan in potential electrically hazardous areas like the kitchen and bathroom. And legally it’s required.
But you could install the unit yourself in the window ready for an electrician to wire up.
First, you need to remove the window moldings and safely remove the glass using leather gloves to protect your hands.
And then follow the manufacturer’s instructions to fix the fan to the window opening. Then make sure to have your windows sealed properly.
Any DIYer could possibly have the tools needed for installing a window fan.
Maybe they are in your garage and all you have to do is pull them out of your toolbox.
For double window fans, the Holmes HAWF2043-N is simply the best. Two 8-inch fans provide you with good airflow and the model itself can fit wider window frames up to 37”.
Intuitive controls make operation simple and easy.
With 3 speed settings, climate control, and electronically reversible and independently powered blades, the Holmes was designed to meet all your ventilation and circulatory needs.
Water-resistant motors allow this fan to continue safe operation even during rainy weather and high humidity levels.
If you’re looking for a reliable, versatile, and quiet window fan, chances are you won’t find anything better than this.
If you want the best value for a double window fan, then you’ll be pleased with the Genesis A1.
With two 9-inch fans, the Genesis edges out a bit in terms of airflow. It’s also a 3-speed, allowing you to select from low, medium, and high-performance settings.
Easily identify the temperature with its led light thermostats and the copper motors that power the blades also make the fan resistant to virtually any weather condition.
The Air-King 9166F has ‘king’ in its name for good reason. This industrial-looking rig fits windows up to 38” wide and 26.25” tall.
This fan is all about performance, with a 3-speed setting and ⅙ horsepower at 120V, this big boy is capable of reaching 3560 cubic feet per minute (CFM) and up to 1600 revolutions per minute (RPM).
With an impact-resistant hard-plastic housing and steel front grill and blades, this is definitely a heavy-duty ready window fan that’s well worth the purchase.
When and what rooms should have a window exhaust fan?
A window exhaust fan can really come in handy during warm months and seasons.
During times like summer, when the air can get hot and dry, a window fan can help make things cooler without enlisting the help of an air conditioner.
Ideally, you’d want to place window fans in rooms that feel hotter and more “bogged up” than others. Installing a basement window exhaust fan, for example, facilitates better overall airflow.
You can choose to install them in rooms upstairs, or refresh the air in large spaces like the living room and garage.
You can also install them in the kitchen to help funnel out fumes and smoke when cooking if your oven extractor can’t keep up with your frying.
But mostly removing moisture from your bathroom is the most common application, to combat and avoid mold growth.
Do you need to have it professionally installed?
Professional installation is not a must, but it is recommended for those who are unsure about installing a window fan by themselves. There are a lot of self-help videos online if you want to save on fees and do it yourself.
If you’re particular with safety and not wanting to compromise, however, then seeking professional help is advised. And remember if it’s legally required in your area, use an electrician at the end to check the wiring, and sign off the project.
Tips for using a window fan
Dos
Do measure your window/s first.
Do try and get a pattern [2] of when the wind blows hot or cold to maximize the use and blow-direction of the fan.
Do choose between a double or single fan based on the need and room size.
Don’ts
Don’t buy a fan that’s way larger than your window; get one that’s the closest fit.
Don’t install in locations near trash cans or any source of foul odors.
Don’t install a window fan without ensuring that your windows are properly screened and protected from insects and pests. Or better yet, cut nearby dangling branches from your windows with these easy steps.
Safety concerns
Always bear in mind standard electrical safety guidelines as these fans still run on electricity. Keep them a fair distance away from any flammable material in the event of a malfunction.
Keep away from the reach of small children and pets as these have rotating components that can cause pinching and other injuries. Check if their grill guards are proper and adequate.
If you want and need a quick cooling solution for your house and rooms, then these are the best fans to consider.
The Holmes HAWF2043-N is the best double window fan you can get with its 8-inch, electronically reversible blades and 3-speed settings.
The Genesis A1 is the best value double window fan with its larger 9-inch fans and all-weather-resistant copper motors.
An easier and more convenient fan to use is the Lasko W09560 with its Bluetooth connectivity and smart app management.
Looking for a deal-sealer 20-inch single fan? The Air King 9166F heeds the call with powerful output and high RPM. Last but not the least, the iLiving ILG8SFSC is the largest single fan you can get for the biggest and toughest cooling jobs.
This is where our guide on the best window fans comes to an end. However, you don’t always need to cool down. If you’re looking for a way to warm up, here’s where you can choose from, a list of socks to wear during winter.
If you found this guide helpful, we’ll have loads more coming your way! So stay tuned for the next and we hope that you are now a fan of Bangingtoolbox.
My name is Aaron, and thank you for reading my article. As a qualified builder, I share some tips here at Bangingtoolbox to help provide better DIY information on the internet.
Have a look around, and don’t hesitate to ask me any questions, you can find out more about me here.
