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Best Solar Attic Fans

Updated September 2023
Bottom line
Pros
Cons
Best of the Best
iLIVING HYBRID Ready Smart Thermostat Solar Roof Attic Fan
iLIVING
HYBRID Ready Smart Thermostat Solar Roof Attic Fan
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Most Comprehensive
Bottom Line

Keep energy bills low with this solar attic fan that offers a smart thermostat.

Pros

Install this fan’s polycrystalline solar panel on your roof and circulate the air in your attic for free. Set the fan to run when the smart thermostat reaches a specific temperature. The fan is IP68 waterproof, and it has a brushless motor that moves a lot of air.

Cons

Some users are skeptical of the unit's claimed power level.

Best Bang for the Buck
Amtrak Solar Solar Attic Fan
Amtrak Solar
Solar Attic Fan
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Reliable Design
Bottom Line

Use this small fan to escort hot air from your attic, bathroom or chicken coop.

Pros

Designed with efficient fan blades that spin quietly, this fan measures only 21 x 28 x 4 inches, and it has a 40 watt crystalline solar panel. Comes with mounting brackets and 25 feet of wire, and it can be installed without an electrician. This fan turns on as soon as sunlight hits the panel.

Cons

Some wish it moved more air. Solar panel only works well in continuous direct sun.

QuietCool Solar Powered Roof Mount Attic Fan
QuietCool
Solar Powered Roof Mount Attic Fan
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Simple Yet Solid
Bottom Line

This solar attic fan can be installed on flat and pitched roofs made of tile, slate or metal.

Pros

Install this attic fan in minutes without having to do any wiring. A 40-watt solar panel drives this model’s brushless motor. Adjust the rotation and tilt of the solar panel with the connected app on your smartphone. Use the AC/DC inverter to run fan through the night. Blows air at 1,217 CFM.

Cons

Durability is in doubt. Some fans arrive missing parts.

Remington Solar Roof Mount Solar Attic Fan
Remington Solar
Roof Mount Solar Attic Fan
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Trusted Brand
Bottom Line

Use this fan to keep your attic cool and dry through the summer.

Pros

This powerful 2,340 CFM fan has a brushless motor that runs very quietly. Plug in the hybrid adapter for 24-hour cooling. Adjust the angle of the solar panel from 15 to 45 degrees. An internal thermostat tracks the temp. Alloy-steel fan comes with a mounting kit and a remote.

Cons

Some users say it doesn't push as much air as expected.

Natural Light Solar Attic Fan
Natural Light
Solar Attic Fan
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Powerful Performance
Bottom Line

Made for fiberglass-asphalt shingle roofs, this solar attic fan moves up to 1,881 CFM.

Pros

The fan has a large 48-watt solar panel that can be installed flat or at an angle of up to 45 degrees. The panel powers the fan’s DC motor and the fan will run through the day whenever there is direct sun. Can circulate air in spaces of up to 2,825 square feet.

Cons

Fire safety switch and thermostat sold separately. A few motors fail very early.

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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. About BestReviews  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.About BestReviews 
HOW WE TESTED

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33
Models
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161
Consumers
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18
Hours
Researched
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