Top 6 Best Crawl Space Vents

of November 2024
1
Best ChoiceBest Choice
Witten Automatic Vent 306MBL Foundation Vent, 8" x 16", Stainless Steel
Witten Automatic Vent
Witten Automatic Vent
10
Exceptional
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2
Best ValueBest Value
AIR VENT FA109000 16.94x8 ALU Founda Vent
Air Vent
Air Vent
9.9
Exceptional
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3
Crawl Space Vent - for 16"W x 8"H Foundation Openings
Advantage Vent
Advantage Vent
9.8
Exceptional
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4
RazAir Foundation Vent with Damper and Screen - 16"x 6.5" Weatherproof and
RazAir
RazAir
9.7
Exceptional
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5
Manual Fndtn Vent W/Damper Blk
Witten Automatic Vent
Witten Automatic Vent
9.6
Exceptional
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6
Durablow Stainless Steel Crawl Space Foundation Fan Ventilator + Built-in
Durablow
Durablow
9.5
Excellent
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7
WITTEN AUTOMATIC VENT 306MGR Foundation Vent, 8x16 Inch (Pack of 1)
Witten Automatic Vent
Witten Automatic Vent
9.4
Excellent
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8
Manual Fndtn Vent W/Damper BRW
Witten Automatic Vent
Witten Automatic Vent
9.3
Excellent
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9
Tjernlund 950-8304 Underaire Steel Crawl Space Vent, Steel Diamond Pattern, 18"
Tjernlund
Tjernlund
9.2
Excellent
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10
Manual Crawl Space Vent with Removable Cover and Vermin Screen (White, 8"
Crawl Space Door Systems Incorporated
Crawl Space Door Systems Incorporated
9.1
Excellent
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About Crawl Space Vents

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Witten Automatic Vent 306MBL Foundation Vent, 8" x 16", Stainless Steel

Fits standard 8 inch x 16 inch vent openings. No electrical hook-up. High-density thermo plastic construction with stainless steel metal parts.

AIR VENT FA109000 16.94x8 ALU Founda Vent

This product adds a great value. Product is highly durable and very easy to use. This product is manufactured in China.

Crawl Space Vent - for 16"W x 8"H Foundation Openings

Window style design Maintenance free pure Vinyl material. 57 Square Inches of NFA. Removable aluminum mesh screen. Tightly sealed when vent is closed. Made in U.S.A..

RazAir Foundation Vent with Damper and Screen - 16"x 6.5" Weatherproof and Paintable ABS Easy to Install Moisture Mold Reducing for Crawl Space, Outdoor, Garage, and Home Improvement

Easily slides open and closed. Great air flow and insect screen. Layer of mesh screen acts as ember inhibitor keeps insects out. Damper may be kept open to provide ventilation to the crawl space or in times of severe weather, easily closed.

Manual Fndtn Vent W/Damper Blk

Manual open air foundation vent with push-pull damper protects against moisture and allows for the natural flow of fresh air under structures. Circulates fresh air and removes musty, moist air. 8 In. x 16 In.. Black. Plastic.

Durablow Stainless Steel Crawl Space Foundation Fan Ventilator + Built-in Dehumidistat (Stainless steel silver, M2D-S430)

Air Out Dimensions L x W x H 18 x 9 x 2. Seven Leaves AC Axial Fan. Dual fans with power cord. Length of Power Cord 7-feet.. Freeze protection thermostat. UL listed components used. Measure your crawl space vent opening size before purchasing.. Benefits 1. Reduces moisture in crawl spaces foundation to protect home and occupants. 2. Increases air circulation to prevent condensation and wood rot. 3. Exhausts vent radon gas, treated wood gases and odors, prevents migrating into living areas. 4. ONOFF automatically with SET humidity level. 5. Exchange the outdoor and indoor air, improve room air quality and balance the humidity.. It helps to reduce radon level in crawl space, since radon density is heavier than air, radon will precipitate in lower floors. 100 Stainless Steel 430 Grade panel housing box for longer life in humid environment. Better than other brands' Galvanized Steel..

WITTEN AUTOMATIC VENT 306MGR Foundation Vent, 8x16 Inch (Pack of 1)

Replaces old-style manual vents. Fits standard 8 X 16 in vent opening. Automatically opens at 70 deg F and closes at 40 deg F approximately. The key mechanism, bi-metal coil, fully enclosed in protective cover. Stainless steel compression spring with 1 adjustable screw for easy installation.

Manual Fndtn Vent W/Damper BRW

Color Brown. Dimension 7-34 x 15-34. Fits into 8 x 16 opening. Manual foundation vent with damper. Easy to install.

Tjernlund 950-8304 Underaire Steel Crawl Space Vent, Steel Diamond Pattern, 18" x 10" Screen

Sturdy Galvanized Steel Construction Increases Product Durability and Lifespan. Install from Outside or Inside of Crawl Space. New two piece design meant to measure 18 x 10 In total. Professional Modern Decorative Designs with Over 80 Open Area. Mounting Hardware Included.

Manual Crawl Space Vent with Removable Cover and Vermin Screen (White, 8" Height x 16" Width)

DESIGNED FOR 8 height x 16 width foundation openings. Great for ventilation and encapsulations. Installation hardware included.. TOTAL DIMENSIONS WITH MOUNTING FLANGE 11 height x 19 width.. DURABLE Made of durable ABS plastic that is also paintable. Will not rust or rot.. NFA NET FREE AIRFLOW 95 sq inches. Almost double the amount of other air vents.. BUILT TO LAST Save money. Quit replacing crawl space vents year after year.
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