The 10 Best thermostatically controlled Window Fans (2023 reviews)

We consider a thermostatically controlled window fan to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Genesis thermostatically controlled Window Fan READ REVIEW

Best For warm summer days: Buy: Bionaire thermostatically controlled Window Fan READ REVIEW

Best For sliding Window: Buy: Air king thermostatically controlled Window Fan READ REVIEW

Best For garage: Buy: Amazon Basics thermostatically controlled Window Fan READ REVIEW

Best For vertical slider: Buy: Holmes extender panel READ REVIEW

Best With timer: Buy: Aspen thermostatically controlled Window Fan READ REVIEW

Best For small room: Buy: Vornado thermostatically controlled Window Fan READ REVIEW

Best For Use: Buy: Holmes thermostatically controlled Window Fan READ REVIEW

Best For about A week: Buy: Lasko thermostatically controlled Window Fan READ REVIEW

Best For bathroom: Buy: Optimus thermostatically controlled Window Fan READ REVIEW

Best Overall: Genesis thermostatically controlled Window Fan

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This innovative double fan has two 9" fan heads with their own durable copper motors. The Avalon high velocity twin reversible airflow window fan features 3 speed settings of low, medium and high. It has 3 speed settings, an adjustable thermostat with led indicator lights, and can be used as intake or exhaust. The fan fins rotate within the body of the tower which makes for very quiet operation. They cool spaces down so well and act as a subtle background noise for sleep.

The high setting will be suitable for a small auditorium. This fan is very helpful when it comes to getting fresh air from outside into your home. It doesn’t take up a lot of space and is very quiet. Its power covers the entire room easily, very comfortable.

• Easy to place by a door or on a window
• Powerful, great air exchange, not too loud
• Good oscillation and display, can be controlled via bluetooth
• Very powerful but quiet enough even on the highest setting

Best For warm summer days: Bionaire thermostatically controlled Window Fan

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Next on the list, we've got yet another fan that manages to win our hearts. It's the bionaire thermostatically controlled window fan and it's widely considered as fan that has the most suitable features. This fan does the best job of moving air in and out of a stuffy bedroom during the summer. It will circulate air in an entire 15x16 foot room easily. It gives you a cool breeze and tell you the approximate departure it is along with a choice of speeds. It works very well at cooling a room if the temperature outside is less than 80 degrees. The ability to exhaust air from the room as well as blowing air into the room without having to turn the machine around is nice.

This fan works very efficiently, has a convenient remote control and gets the job done. The remote is great so you can control from bed.

• Great for the window in the bedroom in the summer
• Perfect to bring in outside air to a small room or exhaust stale air
• Has variable speeds and the thermostat is the best feature

Best For sliding Window: Air king thermostatically controlled Window Fan

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Air King’s industrial fans feature durable, powerful motors and grounded plugs. This powerful window fan requires a window that is a minimum of 22 inches high and 26.5 inches to 34.5 inches wide. It's quiet, extracts stale air and provides fresh air with a flip of the dial. It allows the knob to slip off easily when turned.

This window fan features a convenient front. The storm guard housing system allows you to shut the window behind your fan in bad weather without having to remove the fan itself. It's an ok fan, with controls on the front. The noise level is very tolerable.

• Evacuates anything in a room quickly
• Very powerful and very little noise
• Has a bit of a rattle to it
• Makes life possible in the trailer

Best For garage: Amazon Basics thermostatically controlled Window Fan

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The amazon basics thermostatically controlled window fan is suitable and reliable and fits well with your daily purpose. This one in particular is good for small spaces. It comes with two fan heads with 9 inch blades. The medium and low settings have a very high pitch frequency. It is great for fresh air and cooling down a room. The circulating feature and the remote are by far the best additions and worth the extra money to get.

It's pretty light weight in materials and would probably have more oomph with blades not made of plastic. It is easy to install on the windows. It is perfect if you like the cool breeze coming in at night & it also can be turned around to blow out warm air from within.

• Fancy features, just a straight forward, easy to use product
• Doesn't move a lot of air
• Very easy to use and set up
• Decent airflow and not as noisy as some

Best For vertical slider: Holmes extender panel

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The holmes extender panel's high-end materials makes sure that it ages well with use. The Holmes twin window fan with comfort control thermostat operates quietly and efficiently by intaking fresh, cooler outdoor air and exhausting stale, warm indoor air for cooling comfort. It's relatively quiet white noise in the evening and really draws in the air to keep the bedroom fresh and cool. It's Thermostat and electrically reversible too, as well as each fan can be operated independatly.

When using this as intake, in the bedroom, or alone in the kitchen, during warmer days, it actually keeps the apartment cool. It cools the house so nicely at night. It comes with independent electronically reversible motors.

• Love the reversible option and variable speeds
• Works great without a lot of noise
• Love the fresh air while sleeping, and it works great
• Two 6 blade fans, independent speed & directional controls & a thermostat

Best With timer: Aspen thermostatically controlled Window Fan

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The fan is really designed for double-hung windows. The Programmable electronic digital thermostat (60 - 80 f degrees) can detect room temperature and automatically turn the fan on/off. The thermostat in this fan shuts it off as soon as the cold outside air hits it. It has controls on the fan itself and also comes with a battery powered remote control. The exhaust feature is powerful and removes cooking smell very well.

The fan does have a led screen of symbols and numbers. The front and back grills and fan blades can be removed and washed. It can work manually, and it also comes with a battery powered remote control.

• Fan runs well and fairly quiet
• Good quality fan with removable, washable fan grills and blades
• Good quality, full featured, easy clean, with remote and app control
• Real quiet at night on the lowest setting too

Best For small room: Vornado thermostatically controlled Window Fan

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The vornado thermostatically controlled window fan's material feels more premium than its price would suggest. A window fan helps to keep fresh air into the room. It’s great for all types of weather and adjusts well to different window types. It is designed for use with single-hung and double-hung windows with an opening at least 8" tall. The durable, weather-resistant case blends seamlessly into the space, and the slim design preserves the view out of your window.

The air chamber abundantly draws fresh air from the outside in. Four speed settings allow you to dial in your comfort, while auto temperature control works to maintain a set temperature. This allows installation with a small enough window opening to prevent unwanted intruders from climbing in the window. It smells, and keeps the air moving smoothly.

• Attractive and quiet with handy remote
• Very attractive design and easy to use controls
• There’s no issues, no weird noise, no nothing
• Controls undesirable noxious exhaust, cooking, smoke etc from your home or your neighbor

Best For Use: Holmes thermostatically controlled Window Fan

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If you want nothing less than best convenient fan, then holmes thermostatically controlled window fan is the one you should definitely consider. This electronic window fan disperses invigorating, revitalizing coolness for maximum comfort and freshness. It works perfectly, is quiet and efficient. It has a temperature mode as you see which cools the room to desired temp and then shuts off. It also has regular fan mode which will run the fan constantly.

This fan is designed for horizontal and vertical installation. It’s quiet and works well enough for removing smoke from a room. It is easy to set up and fits in the window well enough.

• Eight accessible screws holding both parts of the fan housing together
• One of the new comers and featured product

Best For about A week: Lasko thermostatically controlled Window Fan

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Lasko line of fan come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. It offers warmth with its multidirectional fans. It fits windows from 24” to 32” wide and 12” high and larger. It can be turned off to use in situations below 60 degrees. It works fine, moves a decent amount of air, and bluetooth control works. This must be plugged in and the fan turns on before syncing the Bluetooth functionality to your smartphone.

It is easy to read and the digital thermostat has adjustable brightness and senses room temperature turning the fan on/off automatically to maintain desired comfort level. It can be done via the phone or manually on the fan itself.

• Very quite and easy to control
• Lowered average temp by 8-10 degrees and dramatically decreased humidity level
• Lot of satisfied buyers

Best For bathroom: Optimus thermostatically controlled Window Fan

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If you often find yourself confused about appropriate and satisfactory fan, optimus thermostatically controlled window fan is your solution. It is quiet and almost like having air conditioning in the bedroom at night. It works great to pull air out when cooking, etc. It has its own separate controls, so you can do both intake, both exhaust, or one intake, one exhaust. The plastic accordion panels are as flimsy as rice paper. The Reversibility allows you to pull cool air in or exhaust stale air out.

It is 23" fully collapsed plus measures exactly 22-7/. It works fine and could be a bit more powerful. There is a button to reverse direction. It will fit just fine or a little smaller for the 37" window.

• Excellent fan, really quiet and great air flow
• A strong and handy ventalation fan
• Good brand reputation