ATMOX Exhaust Fan – 145 CFM – Internal Mount

Item:  01-350-010

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Crawl Space Ventilation – Exhaust Fan 

These crawl space ventilation fans are unique and designed for vent openings that fall between joists. This is typical in West Coast or California construction. ATMOX systems are adaptable to different crawl spaces in various geographic regions such as these. You can mount these fans inside the crawl space in the vent openings between the floor joists. A benefit to internal mounting is allowing for unique or aesthetic vent covers to remain untouched. If necessary, you can mount fans with a cover from outside when space is particularly tight. Also, a grill can be provided to cover vent openings, if needed.

ATMOX System

These exhaust fans are one component of the ATMOX System. The system uses an ATMOX controllerfans and/or dehumidifier for the actual drying or moisture control. However, the ATMOX setup is not just fans and/or a drying unit. The ATMOX System is a smart solution using the  ATMOX ACE Controller, the brain of the system, to determine the best operation to improve conditions within your crawl space. It does this through analysis of the combination of dew point, temperature, and humidity. Therefore, the components will run only at optimal times. The system focuses not only on removing excess moisture but also on air quality. In order to be healthier, indoor air needs to be exchanged with fresh air. Also, every ATMOX product is made with an emphasis on energy efficiency.

Powering the Fans

With the ATMOX controls, a low voltage 12V DC wire gets power to the fans. This means the setup of all components (not including a dehumidifier) will run from one electrical outlet. This allows for simple installation, and minimizes or eliminates the need for an electrician at the installation.

An AC Adapter powers these fans in a standard outlet. In this setup, the crawl space fans will run continuously.

Assembled in USA from domestic and foreign parts. Includes 3-year limited product warranty


  • Output: 145 CFM
  • Usage: Measured at 10 W
  • Noise:  34dB
  • Mounting:  Plate is 14.88 inches wide by 7.5 inches high

Spec Sheet – Exhaust Fan – 145 CFM – Internal Mount