Top 10 Crawl Space Vent – Household Ventilation Fans

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1. Durablow

#ad

Durablow MFB M2D-S430 Air-Out Stainless Steel 430 Crawl Space Foundation Dual Fans Ventilator + Built-in Dehumidistat + Freeze protection Thermostat + Radon Mitigation

#adDurablow #ad - It helps to reduce radon level in crawl space, since radon density is heavier than air, radon will precipitate in lower floors. Built-in dehumidistat 20% - 80% rh range. Air out ▼ dimensions l x w x h: 18" x 9" x 2".

Benefits: 1. 100% stainless steel 430 Grade panel & housing box for longer life in humid environment. Reduces moisture in crawl spaces / foundation to protect home and occupants. Seven leaves AC Axial Fan. Exhausts vent radon gas, treated wood gases and odors, prevents migrating into living areas. Better than other brands' Galvanized Steel. 4. 3. Measure your crawl space vent opening size before purchasing. On/off automatically with SET humidity % level. Exchange the outdoor and indoor air, improve room air quality and balance the humidity. 5. Ul listed components used. Youtube Video: https://youtu. Be/abtaau2J6Ec.

Brand	Durablow #ad
Manufacturer	Durablow #ad
Height	2 Inches
Length	18 Inches
Weight	6.17 Pounds
Width	9 Inches
Part Number	MFB M2D-S430
Model	MFB M2D-S430

2. Speedvent

#ad

Foundation Crawl Space Vent Cover

#adSpeedvent #ad - 19. 99 for one vent. In, anodized, metal screen, no rust issue, install with 6 screwsnot included or silicon. Size- 16"x8"x1/2" made of abs paintable open area 38. 2 sq. Made according to 2012 international Residential Code, Chapter 4, Section R408.

Brand	Speedvent #ad
Manufacturer	Speedvent #ad
Part Number	735495
Model	9459298

3. Crawl Space Door Systems

#ad

FEMA Compliant Engineered Crawl Space Flood Vent, Wall Mounted Black 8" Height x 16" Width

#adCrawl Space Door Systems #ad - Engineer certified. Engineered certificates included in the box for the following states: al, la, sC, RI, PA, GA, tn, MS, ME, DE, NJ, fl, CA, ct, ma, NC, co, TX, MD, VA.

Flood vent is a fixed-louvered vent remains open with vermin screen. Opening within the frame is 8"x16". At least two vents required to be FEMA compliant. Fema compliant. Flood vents may help lower your flood insurance premiums! Also works great on garages, sheds, etc. Durable abS/UV treat plastic. Protects your foundation from rising floodwaters: 205 square feet of coverage per vent. No rust or rot! Surface mounted over the foundation opening. Total dimensions = 11"x19".

Brand	Crawl Space Door Systems #ad
Manufacturer	Crawl Space Door Systems, Inc. #ad
Height	19 Inches
Length	11 Inches
Weight	1 Pounds
Width	1.5 Inches
Part Number	816CSFV
Model	816CS

4. Tjernlund

#ad

Tjernlund V2D UnderAire Crawlspace Ventilator Fan Moisture Mold Reducing,220 CFM

#adTjernlund #ad - Power ventilate musty, damp crawl spaces through existing passive vents. Includes adjustable dehumidistat, freeze protection limit and 6 foot grounded power cord. 220 cfm, 40 watt maintenance free exhaust fans. Faceplate is sized for ventilation openings through standard block foundations. Faceplate can be trimmed to match non-standard foundation openings. Dehumidistat control also will not operate if the freeze protection thermostat senses low outdoor temperatures.

Brand	Tjernlund #ad
Manufacturer	Tjernlund #ad
Height	4 Inches
Length	20 Inches
Weight	0 Pounds
Width	11 Inches
Part Number	V2D
Model	V2D

5. Air Vent

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1-Qty, Brown, Air Vent RABR Heavy-Duty Automatic Foundation Vent, 50"

#adAir Vent #ad - Convenient and easy to use. Durable and long lasting. Designed to work effectively. Country of Origin: United States. Included components: Brown Auto Vent.

Brand	Air Vent #ad
Manufacturer	AIR VENT INC. #ad
Height	4.2 Inches
Length	17 Inches
Width	9.5 Inches
Part Number	RABR
Model	RABR

6. RaZair

#ad

RazAir Foundation Crawl Space Vent Cover 16"x6.5"

#adRaZair #ad - 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. Paintable ABS plastic with ultraviolet inhibitors. Size 16" x 6. 5". The razair home vent made in USA has been a proven product since it was introduced in 2000 .

Brand	RaZair #ad
Manufacturer	Home Ventilation Products LLC #ad

7. Tjernlund

#ad

Morning Star Pattern, Tjernlund 950-8303 UnderAire Steel Crawl Space Vent, 18" x 10" Screen Vent Screen Only

#adTjernlund #ad - Mounting Hardware Included. Install from Outside or Inside of Crawl Space. Sturdy galvanized Steel Construction Increases Product Durability and Lifespan. 18" x 10" to cover block Foundation Wall Openings. Professional modern Decorative Designs with Over 80% Open Area.

Brand	Tjernlund #ad
Manufacturer	Tjernlund #ad
Part Number	950-8303
Model	950-8303

8. Crawl Space Door Systems

#ad

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

#adCrawl Space Door Systems #ad - Almost double the amount of other air vents. Great for ventilation and encapsulations. Quit replacing crawl space vents year after year! Total dimensions with mounting flange: 11" height x 19" width. Nfa net free airflow: 95 sq inches. Designed for: 8" height x 16" width foundation openings. Will not rust or rot. Built to last: save money. Durable: made of durable ABS plastic that is also paintable. Installation hardware included.

Brand	Crawl Space Door Systems #ad
Manufacturer	Crawl Space Door Systems, Inc. #ad
Height	11 Inches
Length	19 Inches
Weight	2 Pounds
Width	2 Inches
Part Number	CECOMINOD078542
Model	CECOMINOD078542

9. Crawl Space Door Systems

#ad

Outward Mounted Black, 10" Height x 18" Width, Crawl Space Vent Cover

#adCrawl Space Door Systems #ad - Mounts over the opening. Solid abs plastic vent cover: Won't rust or rot! Does not go into the opening. Surface mounted: attaches to outside of crawl space foundation wall over 8"x16" openings with screws or adhesive not included.

Installation: designed to be mounted over standard 8" height x 16" width crawl space openings. Screw directly into foundation wall with a 1/4" masonry bit or construction grade adhesive. Crawl space vent cover can be insulated by gluing insulation inside the cover. Paintable: may be painted with a plastic adherent paint. Does not open or close: This is a solid piece vent cover for enclosed, encapsulated, or conditioned crawl spaces.

Brand	Crawl Space Door Systems #ad
Manufacturer	Crawl Space Door Systems, Inc #ad
Height	0.5 Inches
Length	18 Inches
Weight	0.38 Pounds
Width	10 Inches
Part Number	CECOMINOD043182
Model	CECOMINOD043182

10. Glass Block Factory

#ad

For 16"W x 8"H Foundation Openings, Crawl Space Vent White

#adGlass Block Factory #ad - Made in the U. S. A. Double pane, frosted glass sash door with extruded bubble seal on perimeter ensures great thermal properties. Removable aluminum insect screen. Energy efficient window style construction with superior UV resistance. Fits 16x8 in. Opening - actual size 15 1/2"l x 7 3/4"H x 3 1/8D.

Brand	Glass Block Factory #ad
Manufacturer	Advantage Manufacturing #ad
Height	7.7 Inches
Length	15.5 Inches
Width	3.1 Inches
Part Number	CV1608