Window Fans
Best Double Window Fan (2026): 5 Models Side by Side
As an Amazon Associate we earn from qualifying purchases. Specs below come from each product's Amazon listing; we do not test products in person.
For the best double window fan, the Bionaire leads with 3 speeds, reversible airflow, a programmable thermostat and a remote. The COMFORT ZONE follows with 272 CFM airflow and a removable bug screen, while the Amazon Basics adds 2 speeds and expandable panels for windows 25 to 32 inches wide.
Starting out? See the main guide: Best Window Fan
Top picks at a glance
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9.8 View on Amazon -
Lightest PickCOMFORT ZONE Reversible Twin Window Fan9.5 View on Amazon -
Also GreatAmazon Basics Twin Window Fan for Home9.3 View on Amazon -
Also GreatHOLMES Dual 8" Blade Twin Window Fan9.2 View on Amazon -
Also GreatVornado PORTAL Window Fan9.2 View on Amazon
Compare the specs
Ranked on fan speeds, reversible airflow, airflow, adjustable thermostat, remote control from each listing, plus how many buyers have rated it. A dash (—) means we could not confirm that figure from the listing.
| Pick | Fan speeds | Reversible airflow | Airflow | Adjustable thermostat | Remote control | Weight | Warranty |
|---|---|---|---|---|---|---|---|
| 1. Bionaire Window Fan with Reversible Airflow Blades | 3 speeds | Yes | — | Yes | Yes | 6.6 lb | 3-year |
| 2. COMFORT ZONE Reversible Twin Window Fan | — | Yes | 272 CFM | — | — | 4.6 lb | 1-year |
| 3. Amazon Basics Twin Window Fan for Home | 2 speeds | Yes | — | — | — | 5.7 lb | — |
| 4. HOLMES Dual 8" Blade Twin Window Fan | 2 speeds | — | — | — | — | 7.5 lb | — |
| 5. Vornado PORTAL Window Fan | 3 speeds | Yes | — | — | — | 6.9 lb | — |
Bionaire Window Fan with Reversible Airflow Blades
It pairs 3 speeds with reversible airflow, a programmable thermostat and a remote.
- Fan speeds: 3 speeds
- Reversible airflow
- Adjustable thermostat
- Remote control
- 3-year warranty stated
Good for
- Buyers who want reversible airflow with a remote
- Buyers who want a programmable thermostat
Skip it if
- You want more than 3 speeds
- You want a fan under 6.6 lb
Twin fans with independent blade control draw in cool air, exhaust hot air, or do both at once. The LCD thermostat programs the comfort level, and the remote runs the fan from across the room. Manual and automatic modes cover different days, and it draws 80 watts with a 3-year warranty.
COMFORT ZONE Reversible Twin Window Fan
It pairs 272 CFM airflow with manually reversible airflow and a removable bug screen.
- Reversible airflow
- Airflow: 272 CFM
- 1-year warranty stated
- 4.6 lb, the lightest here
Good for
- Buyers who want 272 CFM airflow
- Buyers who want a removable bug screen
Skip it if
- You need airflow over 272 CFM
- You want a fan under 4.6 lb
Two fans pull in fresh outside air and circulate it through the room, and the manual dial sets the airflow. Tabletop feet convert it to a freestanding fan, and it weighs 4.6 lb with a 1-year warranty.
Amazon Basics Twin Window Fan for Home
It pairs 2 speeds with reversible airflow and expandable panels for windows 25 to 32 inches wide.
- Fan speeds: 2 speeds
- Reversible airflow
Good for
- Buyers who want 2 speeds
- Buyers who want expandable side panels
Skip it if
- You want more than 2 speeds
- You want a fan under 5.7 lb
Twin fans with manual controls reverse in the window for exhaust use, and the expandable side panels fit windows 25 to 32 inches wide. A copper motor runs the fan for steady operation, and it draws 68 watts. The 9-inch fan suits small to medium spaces with simple speed control.
HOLMES Dual 8" Blade Twin Window Fan
It pairs 2 speeds with reversible motors for intake, exhaust, or air exchange.
- Fan speeds: 2 speeds
Good for
- Buyers who want intake, exhaust, or air exchange
- Buyers who want water-resistant motors
Skip it if
- You want more than 2 speeds
- You want a fan under 7.5 lb
Dual blades with independent reversible motors give intake, exhaust, or full air exchange for room circulation. Water-resistant motors suit rainy weather, and the extender screen and panel help secure the fan in larger windows. It draws 75 watts, and the push-button controls set the speed.
Vornado PORTAL Window Fan
It pairs 3 speeds with reversible exhaust mode and weather resistance for windows 24 to 38 inches wide.
- Fan speeds: 3 speeds
- Reversible airflow
Good for
- Buyers who want reversible exhaust mode
- Buyers who want a low-profile window fan
Skip it if
- You want more than 3 speeds
- You want a fan under 6.9 lb
A touch switches between fan and exhaust modes, pulling in cool outdoor air or expelling stale indoor air. It draws 31 watts, weighs 6.9 lb, and runs with quiet controls.
How to choose
Reversible airflow and controls
Reversible airflow sets how the fan moves air: the Bionaire draws in cool air, exhausts hot air, or does both at once, the COMFORT ZONE turns around in the window to pull warm air out, and the Vornado switches between fan and exhaust modes. The Amazon Basics reverses in the window for exhaust use, and the HOLMES gives intake, exhaust, or air exchange. Controls differ: the Bionaire adds a programmable thermostat and a remote, while the COMFORT ZONE, Amazon Basics and HOLMES use manual controls.
Speeds, airflow and weight
Speeds set the settings you can choose: the Bionaire and Vornado offer 3 speeds, and the Amazon Basics and HOLMES offer 2 speeds. Airflow is stated for the COMFORT ZONE at 272 CFM. Weight sets how easy the fan is to move: the COMFORT ZONE weighs 4.6 lb, the Amazon Basics weighs 5.7 lb, the Bionaire weighs 6.6 lb, the Vornado weighs 6.9 lb and the HOLMES weighs 7.5 lb.
Window fit and extras
For extras, the COMFORT ZONE adds a removable bug screen and tabletop feet. The HOLMES adds an extender screen and panel. The Bionaire alone adds a remote and a thermostat. Check the fit and extras against your window before you choose.
FAQ
Which window fans are reversible?
The Bionaire, COMFORT ZONE, Amazon Basics, HOLMES and Vornado all offer reversible airflow, with the COMFORT ZONE turning around in the window and the Vornado switching between fan and exhaust modes.
Which fan is lightest?
The COMFORT ZONE weighs 4.6 lb, below the Amazon Basics at 5.7 lb, the Bionaire at 6.6 lb, the Vornado at 6.9 lb and the HOLMES at 7.5 lb.
Which fans have a thermostat or a remote?
The Bionaire has a programmable thermostat and a remote, with manual and automatic modes for different days.
What widths do the Amazon Basics and Vornado fit?
The Amazon Basics fits windows 25 to 32 inches wide, and the Vornado fits windows 24 to 38 inches wide.
