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Solar Crawl Space Vent Fans

According to NOAA, the year-round average outdoor air in the U.S. is drier during daylight hours and moister at night. CSF Solar Crawl Space Vent Fans automatically start and run during the day, when the sun powers them and the air is drier. CSF Solar Crawl Space Vent Fans pull the wet and musty air out. Drier, fresher outdoor air enters through the other foundation vents, absorbing moisture and odors, and then is pulled out of the crawl space by the CSF Solar Crawl Space Vent Fan. This cycle repeats itself several times every day, all year, gradually drying and ventilating the crawl space and keeping it dry. The fans automatically shut down at night, or during rain, when the air is wetter.  Insulation values for the floor above improve and the indoor environment improves, too, using free sunlight!

The CSF MODEL 210 ventilates approximately 1200 square feet of 2 to 3 foot high crawl space that has passive foundation vents. The kit includes a 12 volt 10 watt mono-crystalline solar panel, an adjustable ball and socket solar panel mount, a fan cluster with a 16” x 8” screened aluminum vent, 25 feet of UV and water resistant wire with plug connectors, and mounting screws.

Custom, cost-efficient CSF products can also be provided for larger crawl spaces.  Just ask!

Questions? Want to Order?
email us at -
or text/call 1-305-807-4705

We accept payment with major credit cards, checks, money orders.
 We do not charge customers a fee for credit card use. 

Solar Powered Soffit Fans LLC
701 Amherst Avenue Davie, FL 33325 US
Phone: 305 807 4705 Website:

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