Best Fan for Damp Crawl Space

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AlorAir 260CFM Crawl Space Ventilation Fan | Ventirpro 260
AlorAir 260CFM Crawl Space Ventilation Fan | Ventirpro 260
$71.20 $79.11
500 Sq.Ft
Aluminized Zinc
35- 158°F
40 dBA
-20%
Alorair 720CFM Crawl Space Ventilation Fan | Ventirpro 720
Alorair 720CFM Crawl Space Ventilation Fan | Ventirpro 720
$119.73 $149.66
1200 Sq.Ft
Aluminized Zinc
55 dBA
55 dBA
-20%
AlorAir® 260CFM Crawl Space Ventilation Fan | VentirPro 260S
AlorAir® 260CFM Crawl Space Ventilation Fan | VentirPro 260S
$66.93 $83.66
500 Sq.Ft
Stainless Steel
35- 158°F
40 dBA
-10%
AlorAir® 720CFM Crawl Space  Ventilation Fan | VentirPro 720S
AlorAir® 720CFM Crawl Space Ventilation Fan | VentirPro 720S
$141.40 $157.11
1200 Sq.Ft
Stainless Steel
35- 158°F
55 dBA
-15%
ALORAIR 300CFM Crawlspace Ventilation Fan | VentirMax 300S
ALORAIR 300CFM Crawlspace Ventilation Fan | VentirMax 300S
$73.94 $86.99
550 Sq.Ft
Stainless Steel
37- 158°F
40 dBA
-10%
AlorAir 570CFM Stainless Steel Crawl Space Fan | VentirMax 570S
AlorAir 570CFM Stainless Steel Crawl Space Fan | VentirMax 570S
$89.69 $99.66
950 Sq.Ft
Stainless Steel
37- 158°F
55 dBA
-10%
AlorAir 780CFM Stainless Steel Crawl Space Fan | VentirMax 780S
AlorAir 780CFM Stainless Steel Crawl Space Fan | VentirMax 780S
$152.99 $169.99
1300 Sq.Ft
Stainless Steel
37- 158°F
55 dBA
ALORAIR® VentirMax 300SD Ventilator Fan
ALORAIR® VentirMax 300SD Ventilator Fan
$89.00
550 Sq.Ft
Stainless Steel
37- 158°F
40 dBA
-15%
AlorAir® VentirMax 570SD Ventilator Fan
AlorAir® VentirMax 570SD Ventilator Fan
$92.65 $109.00
950 Sq.Ft
Stainless Steel
37- 158°F
55 dBA
-10%
ALORAIR® VentirMax 780SD Ventilator Fan
ALORAIR® VentirMax 780SD Ventilator Fan
$170.10 $189.00
1300 Sq.Ft
Stainless Steel
37- 158°F
55 dBA
-15%
Alorair 540CFM Crawl Space Ventilation Fan | Ventirpro 540
Alorair 540CFM Crawl Space Ventilation Fan | Ventirpro 540
$76.21 $89.66
900 Sq.Ft
Aluminized Zinc
35- 158°F
55 dBA
Out of stock
-10%
Alorair 540CFM Crawl Space Ventilation Fan | Ventirpro 540S
Alorair 540CFM Crawl Space Ventilation Fan | Ventirpro 540S
$87.40 $97.11
900 Sq.Ft
Stainless Steel
35- 158°F
55 dBA
AlorAir 240CFM Crawl Space Ventilation Fan | VentirPro-S2
AlorAir 240CFM Crawl Space Ventilation Fan | VentirPro-S2
$119.00
450 Sq.Ft
Stainless Steel
 14- 158°F
48 dBA

AlorAir Pro Crawl Space Fans-Smart Humidity Control

AlorAir Professional Crawl Space Ventilation Fans deliver smart humidity control (5%-80% RH) to combat mold, radon gas, and wood rot. Our heavy-duty stainless steel fans (IP55 rated) feature auto-freeze protection, with 260-780CFM models covering 420-1,300 sq ft. Designed for easy installation with 6ft plug-in cords, these ETL-certified fans include premium features like allergen filters and LCD displays on select models, all backed by a 2-year warranty. Trusted by 10,000+ homeowners across climates, they provide 'set-it-and-forget-it' ventilation solution.

Industrial-Grade

Durability
IP55 stainless steel/aluminum-zinc alloy rustproof housing.

High-Efficiency

Ventilation
260-780 CFM powerful airflow for 420-1,300 sq.ft. coverage.

Smart Humidity

Control
1%-99% RH auto adjustment prevents condensation & wood rot.

Dual Protection

System
Built-in thermostat + auto shut-off below 35°F/37°F.

Pest Prevention

Design
Metal isolation mesh blocks reptiles & rodents.

ETL Certified

Safety guaranteed with 2-year warranty & professional support.

Engineered to Master Tough Environments

Smart humidity control and powerful airflow block heat accumulation, resist moisture damage, and ensure durable protection.

Breathe Freely

Alorair transforms damp spaces into comfortably ventilated areas

Basements
Crawl Spaces
Attic
Garages
Laundry Rooms
Storage Rooms