This is the ultimate Buyer’s guide to the Best 18 inch window fan and most important is that, In picking this 18 inch window fan, we have considered a lot of factors like quality, features, product price and many more so you can not go wrong with your product purchase.

We have spent around 41 hours to find the right option for you and based on our research Comfort Zone CZ9BWT Portable 9-inch 2-Speed Quiet Box Fan for Home is our top pick for you. This is one of the best products currently available in the market. However, if you don’t want to spend extra hours then we have another great option for you is Holmes Window Fan with Twin 6-Inch Reversible Airflow Blades, White. Here is a review of some of the best 18 inch window fan, together with their features and functions.

As you read, through the article, you will understand some of the top 18 inch window fan and learn more about their features. Let’s proceed without wasting any more time.

Best 18 inch window fan

Image
Product Title
Score

iLiving 18 Inch Smart Remote Shutter Exhaust Fan with Thermostat, Humidistat, Variable Speed, Timer, Wall Mounted, 18
9.8

Comfort Zone CZ9BWT Portable 9-inch 2-Speed Quiet Box Fan for Home
9.6

AC Infinity AIRPLATE S9, Quiet Cooling Fan System 18
9.2

Holmes Window Fan with Twin 6-Inch Reversible Airflow Blades, White
8.7

OPOLAR 8 Inch Desk Fan with Timer, USB Operated, 5 Speeds Powerful Wind, Quiet Operation for Personal Office, Portable Table Hanging Fan for RV, Travel Camping (Adapter Included)
8.3

iLiving - 18
8.2

Genesis Twin Window Fan with 9 Inch Blades, High Velocity Reversible AirFlow Fan, LED Indicator Lights Adjustable Thermostat & Max Cool Technology, ETL Certified
7.6

Iliving 18
7.5

Comfort Zone CZ319WT 9-inch Twin Window Fan with Manual Reversible Airflow Control, Auto-Locking Expanders and 2-Speed Fan Switch
7.2

Powerful Industrial Exhaust and Ventilation Fan (18 Inch)
6.2

iLiving 18 Inch Smart Remote Shutter Exhaust Fan with Thermostat, Humidistat, Variable Speed, Timer, Wall Mounted, 18


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iLiving 18 Inch Smart Remote Shutter Exhaust Fan with Thermostat, Humidistat, Variable Speed, Timer, Wall Mounted, 18

$172.99
PRIMEPRIME
in stock
Amazon.com
Amazon price updated: October 12, 2025 12:02 am

Features

  • CUT COOLING COSTS: Reduce expensive cooling bills at home. Ready to install, our wall-mounted automatic shutter vent fan is designed to help to keep your living space cooler and more comfortable year-round.
  • MULTIPURPOSE: Perfect cooling and ventilation solution for any space at your home - including the attic, garage, shed, and more. Corrosion resistant, the fully enclosed motor is thermally protected and permanently lubricated for easy maintenance.
  • REMOTE CONTROL, VARIABLE SPEED SETTINGS: Customize your comfort with Digital Display remote controller. Control Speed, regulate temperature, and humidity using iLiving Exhaust Fan smart controller, ILG8SFRC speed controller.
  • WEATHER RESISTANT SHUTTERS: Constructed from durable, high-grade aluminum, these shutters can withstand moisture and heat longer than other competitors’ products adding to the fan’s longevity.
  • POWERFUL AND EFFICIENT: Small but mighty, you’ll enjoy the power and efficiency of iLiving’s Shutter Exhaust Fan. The 16 inch runs onstandard 120 volts at 1/15 HP, 0.85 amps with 1075 RPM, cooling and ventilating an area of 1736 cubic feet per minute!

Comfort Zone CZ9BWT Portable 9-inch 2-Speed Quiet Box Fan for Home


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Comfort Zone CZ9BWT Portable 9-inch 2-Speed Quiet Box Fan for Home

$13.42 $16.99
PRIMEPRIME
in stock
Amazon.com
Amazon price updated: October 12, 2025 12:02 am

Features

  • PERFECT PERSONAL FAN: The Comfort Zone Portable Box Fan is ideal in a number of situations. Its whisper quiet operation makes it ideal for your home or office desk while you’re trying to work, or a cool breeze while you’re trying to sleep. It has two speeds for customized air flow..Wattage:32 watts.Voltage:120 volts.Number of speeds:2
  • COOL AIR JUST WHERE YOU WANT IT: Small, but powerful, you’ll be very impressed with the power behind this little fan. Its compact design makes it perfect for tabletop use and the built-in carry handle allows you to take it wherever you want.
  • ENSURED FOR QUALITY: As a leader in safety and reliability, Comfort Zone has dedicated Engineering and Quality-Assurance teams in the US and China. Comfort Zone products are designed and tested to meet strict global quality standards including UL, ETL, SAA, CE, CSA and NOM.
  • TRUSTED BRAND: For more than a decade, Comfort Zone has grown to become a trusted brand, recognized nationally as a leader in home environment products. On a typical hot summer day, there are up to 5 million Comfort Zone fans in use across the US and Canada. Imagine that!
  • PRODUCT SPECIFICATIONS: Package contains (1) Comfort Zone Portable Box Fan – 9”. Dimensions: 9.68" x 8.86" x 25.35". 2 Speed Control. Compact for tabletop use. Great for Kitchen, Bedroom or Dorm Room. Quiet Operation. Built-in Carry Handle.

AC Infinity AIRPLATE S9, Quiet Cooling Fan System 18″ with Speed Control, for Home Theater AV Cabinet Cooling


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AC Infinity AIRPLATE S9, Quiet Cooling Fan System 18" with Speed Control, for Home Theater AV Cabinet Cooling

$59.99
PRIMEPRIME
in stock
Amazon.com
Amazon price updated: October 12, 2025 12:02 am

Features

  • An ultra-quiet UL-certified fan system designed for cooling cabinets that requires minimal noise.
  • Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels.
  • Contains a CNC machined aluminum frame with a modern brushed black finish.
  • Powered by wall outlet or USB port, included Turbo Wall Adapter increases performance by 25%.
  • Dimensions: 17.2 x 6.3 x 1.3 in. | Total Airflow: 156 CFM | Total Noise: 21 dBA | Bearings: Dual Ball

Holmes Window Fan with Twin 6-Inch Reversible Airflow Blades, White


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Holmes Window Fan with Twin 6-Inch Reversible Airflow Blades, White

Amazon.com

Features

  • Dual-blade operation for a powerful, cooling breeze
  • Two speed settings and manual-reverse airflow control
  • Water-resistant motors are safe to use during rainy weather
  • Designed to fit most double-hung and slider windows. Ideal for large rooms up to 500 sq. ft.
  • Adjustable extender screen and extender panel help secure fan in larger windows

OPOLAR 8 Inch Desk Fan with Timer, USB Operated, 5 Speeds Powerful Wind, Quiet Operation for Personal Office, Portable Table Hanging Fan for RV, Travel Camping (Adapter Included)


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OPOLAR 8 Inch Desk Fan with Timer, USB Operated, 5 Speeds Powerful Wind, Quiet Operation for Personal Office, Portable Table Hanging Fan for RV, Travel...

$29.98
PRIMEPRIME
out of stock
Amazon.com
Amazon price updated: October 12, 2025 12:02 am

Features

  • 【Three Blades+Quiet Operation】- The desk fan has a unique three curved blade design that makes the air flows smoothly. Not only this but also the fan has a brushless motor that reduces the noise to 40db. With the unique three-blade design and brushless motor, you experience a quiet operation similar to a whispering sound even when the fan is running on the high-speed.
  • 【4 Speeds+Natural Wind】- This USB operated portable fan comes with 4-speed control. You can adjust the speed from one-four to enjoy the cool breeze as you need. This fan makes you experience natural wind flow by increasing the speed from one-four and vice-versa in a circular motion. The maximum rotation speed of the fan is 1800 rpm.
  • 【USB Powered+Adapter】- OPOLAR portable table fan comes with multiple power options. You can power it by an AC adaptor (comes included) that can be plugged into a wall socket. You can also power this portable fan with a USB cable (comes included). Simply, connect this fan to a universal USB outlet, laptop, etc. and enjoy the cool breeze. The AC adapter and USB cable are very easy to use.
  • 【Timer Feature】-The table fan is provided with a timer so that you never have to wake up during midnight to switch it off. Whenever the temperature is low, you can set the timer and sleep peacefully. Timer Modes available are for 1-2-4-8 hours
  • 【90° Rotation】- It can be adjusted from 0°to 90°vertically. Suitable voltage: 110-240 Voltage

iLiving – 18″ Wall Mounted Exhaust Fan – Automatic Shutter – Variable Speed – Vent Fan For Home Attic, Shed, or Garage Ventilation, 1736 CFM, 2600 SQF Coverage Area


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iLiving - 18" Wall Mounted Exhaust Fan - Automatic Shutter - Variable Speed - Vent Fan For Home Attic, Shed, or Garage Ventilation, 1736 CFM, 2600 SQF...

$119.99
in stock
Amazon.com
Amazon price updated: October 12, 2025 12:02 am

Features

  • CUT COOLING COSTS: Reduce expensive cooling bills at home. Ready to install, our wall-mounted automatic shutter vent fan is designed to help keep your living space cooler and more comfortable year-round
  • MULTIPURPOSE: Perfect cooling and ventilation solution for any space at your home - including the attic, garage, shed, and more. Corrosion-resistant, the fully enclosed motor is thermally protected and permanently lubricated for easy maintenance.
  • VARIABLE SPEED: Customize your comfort. iLiving Exhaust Fan has adjustable speed functionality when combined with ILG8SFSC speed controller (sold separately).
  • WEATHER RESISTANT SHUTTERS: Constructed from durable, high-grade aluminum, these shutters can withstand moisture and heat longer than other competitors’ products adding to the fan’s longevity.
  • POWERFUL AND EFFICIENT: Small but mighty, you’ll enjoy the power and efficiency of iLIVING’s Shutter Exhaust Fan. The 18-inch runs on standard 120 volts at 1/15 HP, 0.85 amps with 1075 rotations per minute, cooling and ventilating an area of 1736 cubic feet per minute!

Genesis Twin Window Fan with 9 Inch Blades, High Velocity Reversible AirFlow Fan, LED Indicator Lights Adjustable Thermostat & Max Cool Technology, ETL Certified


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Genesis Twin Window Fan with 9 Inch Blades, High Velocity Reversible AirFlow Fan, LED Indicator Lights Adjustable Thermostat & Max Cool Technology, ETL...

$46.98 $49.99
PRIMEPRIME
in stock
Amazon.com
Amazon price updated: October 12, 2025 12:02 am

Features

  • 3 speed settings: the Avalon high velocity Twin reversible airflow window fan features 3 speed settings of low, medium and high. Select your comfort speed level with ease.Voltage:120 volts.Number of speeds:3
  • Max cool technology: this Twin fan features a built in thermostat with ranges from 60 to 80 degrees, and LED lights that help you visibly keep track of the temperature setting
  • Dual motors: this innovative double fan has two 9" fan heads with their own durable Copper motors. Copper motors are built to endure through all weather and situations
  • Expandable side panels: our dual window fan will fit into any window easily with its built in dual expandable side panels that can expand an additional 6.5 inches on either side
  • Reversible airflow fan: this double fan is uniquely designed to simultaneously operate for intake or exhaust purposes with its reversible blades. Dimensions are 24 x 12 x 4 inches

Iliving 18″ Wall Mounted Shutter Exhaust Thermostat Control-3 Speeds Vent Fan for Home Attic, Shed, or Garage Ventilation, 1736 CFM, 2600 SQF Coverage Area, Variable, Silver


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Iliving 18" Wall Mounted Shutter Exhaust Thermostat Control-3 Speeds Vent Fan for Home Attic, Shed, or Garage Ventilation, 1736 CFM, 2600 SQF Coverage Area,...

$141.23
PRIMEPRIME
in stock
Amazon.com
Amazon price updated: October 12, 2025 12:02 am

Features

  • CUT COOLING COSTS: Reduce expensive cooling bills at home. Ready to install, our wall-mounted automatic shutter vent fan is designed to help keep your living space cooler and more comfortable year-round.
  • MULTIPURPOSE: Perfect cooling and ventilation solution for any space at your home - including the attic, garage, shed, and more. Corrosion-resistant, the fully enclosed motor is thermally protected and permanently lubricated for easy maintenance.
  • THERMOSTAT CONTROL: Customize your comfort. iLiving Exhaust Fan features 3-speeds and built-in thermostat control to help regulate room temperature within a range of 32-130 °F.
  • WEATHER RESISTANT SHUTTERS: Constructed from durable, high-grade aluminum, these shutters can withstand moisture and heat longer than other competitors’ products adding to the fan’s longevity.
  • EASY INSTALLATION: Simple, electrician free installation when plugged into an approved electrical outlet. Box includes 6 ft cord, standard 3-prong plug, and AC cable.

Comfort Zone CZ319WT 9-inch Twin Window Fan with Manual Reversible Airflow Control, Auto-Locking Expanders and 2-Speed Fan Switch


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Comfort Zone CZ319WT 9-inch Twin Window Fan with Manual Reversible Airflow Control, Auto-Locking Expanders and 2-Speed Fan Switch

$38.57
PRIMEPRIME
in stock
Amazon.com
Amazon price updated: October 12, 2025 12:02 am

Features

  • DUAL SPEED SELECTION: Enjoy the flexibility of choosing between two air output options on this twin speed window fan. Select the low setting for a gentle and soothing airflow, perfect for creating a calm and relaxing environment. Alternatively, opt for the high setting to experience a brisk and invigorating breeze that helps cool down your space quickly. With this dual speed control, you have the power to customize the airflow to your preference, ensuring maximum comfort and satisfaction.
  • SECURE AUTO-LOCKING EXPANDERS: Experience a secure and snug fit with the auto-locking accordion expanders featured in this twin airflow window fan. Designed for convenience, these expanders effortlessly adjust to fit window openings ranging from 22-1/4" to 33". Enjoy peace of mind knowing that your fan is securely installed and properly sealed. This plug-in fan ensures hassle-free operation without the need for batteries. Enhance your airflow control with the reliable and practical features of this window fan.
  • VERSATILE REVERSIBLE FUNCTION: Take advantage of the manual reverse option provided by this twin blade window fan. With this feature, you can switch between two modes of operation. Draw cool and refreshing air into your home by using the intake function, ensuring a comfortable and rejuvenating atmosphere. Alternatively, use the exhaust function to effectively push hot and stale air out of the room, promoting better ventilation and air circulation. Embrace the versatility and control offered by this fan.
  • EASY-TO-REMOVE PROTECTIVE COVER: Enjoy the convenience of a removable fabric cover on this fan. Designed to provide protection against bugs and debris, the cover keeps unwanted elements out. When the fan is not in use, the cover acts as a barrier, preventing hot and humid air from entering your home. This feature helps maintain a comfortable indoor environment even when the fan is not actively circulating air. With the easy-to-remove cover, you can effortlessly clean and maintain your fan, ensuring optimal performance and longevity.
  • VERSATILE AND PORTABLE DESIGN: Experience the convenience of this twin blade window fan's versatile design. Equipped with two sturdy feet, it can be easily placed on a tabletop or any flat surface, providing optimal airflow wherever you need it within your home. The fan features a convenient carrying handle, allowing for effortless portability and the flexibility to move it from room to room. Enjoy the convenience and versatility of this fan's design, ensuring cool and refreshing air throughout your living space, wherever you may need it.

Powerful Industrial Exhaust and Ventilation Fan (18 Inch)


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Powerful Industrial Exhaust and Ventilation Fan (18 Inch)

$214.98
in stock
Amazon.com
Amazon price updated: October 12, 2025 12:02 am

Features

  • HEAVY DUTY EXHAUST FAN: The housing is made of galvanized steel which prevents rust and has pre-drilled holes for easy mounting. Rolled flange edges offer handling protection during installation.
  • MULTI USE VENTILATION FAN: Perfect for agriculture, industrial, restaurant, school, gym, or home.
  • EXHAUST FAN WITH SHUTTER: The exterior shutters close tightly to prevent a draft when not in operation and open automatically when powered on. It helps remove unwanted odors, contaminants, excess moisture or heat.
  • EXHAUST FAN WARRANTY: This heavy duty exhaust fan has a 1 year limited warranty. The shutters open and close automatically. Fans do not come with electrical plugs. Requires wiring to your building's electrical system.
  • THERMALLY PROTECTED FAN: The fan has 2 OSHA-compliant features including a safety grille and a fully enclosed, thermally protected, PSC energy efficient motor.

With this, our list of best 18 inch window fan has come to an end. Like we said in the earlier part of this post, we have done extensive research on these 18 inch window fan. Not to mention, the prices of the 18 inch window fan are also flexible. You should also check AC Infinity AIRPLATE S9, Quiet Cooling Fan System 18″ with Speed Control, for Home Theater AV Cabinet Cooling one of the most sold items in the market.