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Langy Solar Lighting 12" Solar Attic Vent Fan -55W
Langy Solar Lighting 12" Solar Attic Vent Fan -55W, view 2Langy Solar Lighting 12" Solar Attic Vent Fan -55W, view 3Langy Solar Lighting 12" Solar Attic Vent Fan -55W, view 4Langy Solar Lighting 12" Solar Attic Vent Fan -55W, view 5Langy Solar Lighting 12" Solar Attic Vent Fan -55W, view 6
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12" Solar Attic Vent Fan -55W

$259.69$426.69Save 39%

In stock at langy-energy.com

The LANGY SF-55-S is a 12-inch solar attic fan powered by a separate 55W panel, moving up to 1,200 CFM for attics up to 2,200 square feet. A built-in thermostat runs it from 77°F down to 73°F, and a 65-foot remote and six speeds add manual control. It suits homeowners who want attic ventilation without running wiring.

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See all 61 Langy Solar Lighting products·Visit langy-energy.com

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Highlights

  • 18V/55W solar panel (22 x 22 in.) driving a 25W DC motor
  • Up to 1,200 CFM airflow for up to 2,200 sq ft
  • Thermostat starts at 77°F and stops at 73°F; can be disabled
  • 6 fan speeds with a 65 ft remote
  • 12.3 x 12.3 in. rough cut-out; 10-year limited warranty

Best for

A homeowner replacing a roof turbine or adding ventilation to a hot attic without electrical work.

Things to consider

  • Savings claims (up to 40% HVAC cost and 40°F cooler) are the brand's figures and depend on the home.
  • Roof installation means cutting and flashing; hire a roofer if unsure.
  • Solar fans slow or stop on cloudy days and at night.

Key specs

Price$259.69
Solar panel18V / 55W
AirflowUp to 1,200 CFM
Coverage2,200 sq ft
Cut-out12.3 x 12.3 in.
Remote range65 ft
Warranty10 years

Our take

A well-specified solar attic fan with a long warranty. Weigh install complexity before buying.

12" Solar Attic Vent Fan -55W at a glance

BrandLangy Solar Lighting
Price$259.69 (was $426.69)
TypeSolar Attic Fan
AvailabilityIn stock at langy-energy.com
Returns30-day money-back guarantee for any reason from the date of purchase, for undamaged items…

Price check

At $259.69, the 12" Solar Attic Vent Fan -55W is toward the top of Langy Solar Lighting's price range, whose 61 listed products run $15.90 to $460.68.

It's currently 39% below its listed price of $426.69. Sale prices can end without notice, so check the live price before you order.

Similar items from other brands we track run $9.95 to $59.99.

Buying from Langy Solar Lighting

Langy is a good value source for solar street and yard lights, LED shop high bays and solar attic fans, backed by a Texas warehouse, phone support and a 30-day any-reason return window. Skip it if you need certified commercial-grade fixtures with independent test data. Compare lumens, battery capacity and panel size rather than the headline wattage, which is a marketing number in this category.

Shipping
Orders are handled in 1 to 2 days; free shipping takes 3 to 7 days and express 3 to 5, via UPS or USPS. International orders may owe duties and taxes on delivery.
Returns
30-day money-back guarantee for any reason from the date of purchase, for undamaged items with all accessories and original packaging. Contact support for a return address and send tracking; refunds are processed after the item reaches their warehouse.
Warranty
One year of free repair or replacement for manufacturing defects. Extended coverage is available for UFO high bays (up to 5 years) and solar attic fans (up to 10 years) for per-claim fees; labor and post-first-year shipping aren't covered.

Read our full Langy Solar Lighting review and shop all products →

Frequently asked questions

Can I replace a turbine vent with the LANGY attic fan?
LANGY offers an installation guide for replacing a turbine ventilator. Check that the 12.3-inch cut-out works with your opening.
Does it run automatically?
Yes. The built-in thermostat switches it on at 77°F and off at 73°F, or you can disable it for manual control.
Is the 12" Solar Attic Vent Fan -55W on sale?
Yes. Langy Solar Lighting lists it at $259.69, down from $426.69 (39% off). Sale prices change, so confirm the live price on langy-energy.com.
What is Langy Solar Lighting's return policy?
30-day money-back guarantee for any reason from the date of purchase, for undamaged items with all accessories and original packaging. Contact support for a return address and send tracking; refunds are processed after the item reaches their warehouse.
How long does Langy Solar Lighting take to ship?
Orders are handled in 1 to 2 days; free shipping takes 3 to 7 days and express 3 to 5, via UPS or USPS. International orders may owe duties and taxes on delivery.
Does the 12" Solar Attic Vent Fan -55W come with a warranty?
Langy Solar Lighting's published warranty terms: One year of free repair or replacement for manufacturing defects. Extended coverage is available for UFO high bays (up to 5 years) and solar attic fans (up to 10 years) for per-claim fees; labor and post-first-year shipping aren't covered.
Where can I buy the 12" Solar Attic Vent Fan -55W?
The 12" Solar Attic Vent Fan -55W is sold directly by Langy Solar Lighting on langy-energy.com. The Shop now button on this page goes straight to the product there.
Is the 12" Solar Attic Vent Fan -55W in stock?
Yes. Langy Solar Lighting lists it as in stock on langy-energy.com as of our latest check. Stock and prices refresh throughout the day.
Is Langy Solar Lighting a legit store?
Langy is a good value source for solar street and yard lights, LED shop high bays and solar attic fans, backed by a Texas warehouse, phone support and a 30-day any-reason return window. Skip it if you need certified commercial-grade fixtures with independent test data. Compare lumens, battery capacity and panel size rather than the headline wattage, which is a marketing number in this category. Our full Langy Solar Lighting review covers shipping, returns and what to check before ordering.
Is the 12" Solar Attic Vent Fan -55W expensive?
At $259.69 it is toward the top of Langy Solar Lighting's range ($15.90 to $460.68 across 61 products), and similar items from other brands run $9.95 to $59.99.

More from Langy Solar Lighting

Shop all Langy Solar Lighting →

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