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Deal.ai › AlorairCrawlspace › Ventilation Fans
AlorairCrawlspace
Alorair 720CFM Crawl Space Ventilation Fan Ventirpro 720
AlorairCrawlspace

Alorair 720CFM Crawl Space Ventilation Fan Ventirpro 720

Best price now

$104.76at AlorairCrawlspaceChecked 2 h ago

30% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $104.76 at AlorairCrawlspace (checked Nov 15, 2026).
  • Checked at 3 stores.

Our take on the Alorair 720CFM Crawl Space Ventilation Fan Ventirpro 720

The Alorair VentirPro 720 is a crawl space exhaust fan that moves up to 720 CFM, enough for spaces of roughly 5,600 to 7,400 cubic feet. It pairs a dehumidistat adjustable from 5% to 80% RH with a freeze protection thermostat that shuts the unit down below 35°F, and an isolation mesh keeps reptiles out of the housing. At 55 dBA and 8 lbs with a 6 ft cord, it is a compact, ETL-certified unit aimed at homeowners fighting damp, musty crawl spaces. It competes with larger, pricier crawl space ventilators on airflow per dollar, but it is a single-speed AC fan without smart controls or variable speed.

Best forHomeowners with damp, musty crawl spacesCrawl spaces of about 5,600–7,400 cu. ft.Cold-climate installations needing freeze protectionDIY installs on a standard 115V circuit
Pros
  • High 720 CFM airflow for its size
  • Adjustable dehumidistat from 5% to 80% RH
  • Freeze protection shuts off below 35°F
  • Isolation mesh blocks reptiles from the housing
  • Light at 8 lbs with a 6 ft power cord
  • ETL certified
Cons
  • Single-speed fan with no variable control
  • 55 dBA is audible in nearby living space
  • No built-in humidistat display or smart features
  • Requires ducting and exterior venting for best results

Alorair 720CFM Crawl Space Ventilation Fan Ventirpro 720 prices at every store

  • AlorairCrawlspaceNew

    In stock

    $104.76Free shippingChecked 2 h ago
    Visit AlorairCrawlspace
  • Alorair the dry airNew

    In stock

    $149.66Checked 2 h ago
    Visit Alorair the dry air
  • eBayNew

    In stockSold by br2bs9x

    $216.99Free shippingChecked 2 h ago
    Visit eBay

Store links may earn us a commission.

Alorair 720CFM Crawl Space Ventilation Fan Ventirpro 720 price history

Lowest price we've seen: $104.76 on Nov 15 at AlorairCrawlspace. Tracked across 3 stores since Nov 15.

About the Alorair 720CFM Crawl Space Ventilation Fan Ventirpro 720

The Alorair Ventirpro 720 is a crawl space ventilation fan that moves air through a confined crawl space to reduce moisture buildup. It is rated for 720 CFM and sized for spaces of 5,600 to 7,400 cubic feet.

It has a built-in dehumidistat and a freeze protection thermostat. If the thermostat senses outdoor temperatures below 35°F (1.7°C), the dehumidifier control shuts the unit down automatically to protect it. An isolation mesh helps keep pests out of the unit and out of the living space.

Airflow
720 CFM
Coverage
5,600-7,400 cu. ft.
Motor
115V AC, 50/60Hz, 0.51A
Dehumidistat
5% - 80% RH
Thermostat
On at 50°F, off at 35°F
Sound level
55 dBA
Dimensions
16.5 x 11.1 x 4.1 inches
Weight
8 lbs
Power cord
6 ft
Certification
ETL certified

Questions and answers

How large a crawl space does the VentirPro 720 handle?
Alorair rates it for spaces of about 5,600 to 7,400 cubic feet at 720 CFM. Larger or heavily damp spaces may need more than one unit.
Does it run in freezing weather?
The freeze protection thermostat shuts the fan off when outdoor temperatures drop below 35°F. It restarts at about 50°F.
Can I set the humidity level it turns on at?
Yes. The dehumidistat adjusts from 5% to 80% RH, so you choose the moisture level that triggers the fan.
How loud is it?
Alorair lists a sound pressure level of 55 dBA. That is noticeable, so mount and vent it away from bedrooms and living areas.
What power does it need?
It runs on 115V AC at 0.51A with a 6 ft cord, so a standard household circuit works. It is ETL certified.
Does it keep animals out?
The isolation mesh is designed to stop reptiles from entering the fan housing and crawling into the living space.
Where is the Alorair 720CFM Crawl Space Ventilation Fan Ventirpro 720 cheapest?
At AlorairCrawlspace, for $104.76, 30% under what the other stores charge, as of our latest check.
Where can I buy the Alorair 720CFM Crawl Space Ventilation Fan Ventirpro 720?
3 stores we checked sell it, including Alorair the dry air, AlorairCrawlspace, eBay.

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