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AlorAir 540 CFM BasementVentilation Fan with Humidistat Dehumidistat, IP55 Rated Exhaust for Crawl Space, Attics, and Garages

AlorAir 540 CFM BasementVentilation Fan with Humidistat Dehumidistat, IP55 Rated Exhaust for Crawl Space, Attics, and Garages

Regular price $91.00 USD
Regular price Sale price $91.00 USD
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Manufacturer’s Warranty

90 days replacement warranty!

Return Policy

30 days to return on non-electic products

Condition: Unopened, No signs of use

PLEASE NOTE: Unboxed electrical products are not returnable.

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The VentirPro 540S ventilation fan delivers powerful and stable airflow thanks to its precision-engineered motor combined with a powerful 5-blade axial fan that delivers a generous 540 CFM of airflow, minimizing energy consumption and maintenance.

Highlights: IP55/ Isolation Mesh/ Anti-freeze Thermostat/ 2 Years Warranty

AlorAir VentirPro 540S Ventilation Fan
The Ventirpro 540S ventilation fan features heavy-duty stainless steel construction with an IP55 rating designed to prevent condensation and rust for longer life. A barrier screen stops flying insects and reptiles from entering and disrupting the proper operation of the machine. With a built-in dehumidifier to help dry the humidity in the air and a memory function to automatically start and shut off, you can use it with confidence in basements, attics, warehouses and more.


 · Easy-to-use knob adjustment
 · Built-in dehumidifier to assist in reducing humidity
 · Memory function, it will automatically switch on and off according to the set humidity value
 · Equipped with an anti-freeze thermostat to detect the outdoor temperature, the dehumidifier will not operate when the temperature falls below 35°F/1.7°C
 · Suitable for reducing humidity in your space from 3600-5600 Cu.Ft.
 · IP55-rated ventilation fan (dust and splashproof)
 · Canned ball bearing motors: reduce energy consumption and noise levels
 · Stainless steel mounting frame for higher water resistance and protection
 · After installation, panels can be trimmed to match non-standard base openings
 · Thoughtful addition of barrier mesh to prevent crawlers from entering and affecting the operation
 · Adjustable humidity range of 5%-80% RH to meet different environmental needs


Improve Air Quality - Our ventilation fans help you get rid of murky, closed-off air, like humidity and odors. They also help regulate airflow and create a healthy, safe environment for air exchange.

Improves Comfort - Effective ventilation prevents heat buildup and lowers the temperature in stuffy, crowded rooms, keeping you more comfortable and preventing heat from entering your living space.

Reduces Indoor Pollution - Mold and viruses tend to stay in dark environments. AlorAir crawl space basement fans keep your basement cool and dry with 540 cfm airflow. Removes contaminants and pollutants.

Protects Health - Proper ventilation significantly reduces indoor air pollution and reduces the risk of headaches, allergies, asthma and other respiratory-related health problems.


Power 115 V/60 Hz, 45 W
Current 0.51 A
Air Flow 540 CFM
Ideal For 3600 - 5600 cu.ft
Sound Pressure Level < 55 dBA
Operating Temperature 35 - 158 °F
Humidity Range 5~80%
Power Cord Length 6 ft
Weight 6.2 lbs
Shipping Weight 7.4 lbs
Dimensions (L*W*H) 15 x 10.2 x 2.8 in
Loading quantity 20’: 287 Sets; 40’: 619 Sets; 40’HQ: 701 Sets
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