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Air Vent Belt-Drive Whole House Fan

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Product Information


The Air Vent Belt-Drive Whole House Fan allows quieter operation and includes a 2-speed wall switch. It is UL listed with thermal overload protection and shipped in an assembled wood frame. Whole-house fans are installed in a central hallway inside the house and pull fresh outdoor air through open windows. They are often used to augment air conditioning or instead of air conditioning in mild summertime climates. This package does include the vinyl louvers.


  • Fan motor is attached to blade with a pulley for quieter operation than direct-drive models
  • Made with a rubber-mounted, self-aligning, precision ball bearing drive assembly to reduce friction
  • An enamel steel housing with a powder-coated finish makes them extremely durable
  • Sizes: 30" and 36"
  • Can cut summer air conditioning costs and create a more comfortable living environment
  • Exchange air much more rapidly than air conditioning units, allowing faster cooling of the interior
  • Draw cooler air indoors, especially when used at night and early morning hours
  • Extract heat from objects within a house, such as appliances, furniture and walls


  • For maximum effectiveness, a whole-house fan must be sized correctly for the structure it is required to ventilate
  • Because whole-house fans exhaust hot air into an attic, a properly sized attic ventilation system is required to exhaust heated air from the attic to outdoors
  • Failure to provide this venting will reduce the fan's airflow capacity. In addition, it will lead to noisy operation and ultimately failure of the fan motor
  • Calculate the interior square footage of living area (do not include garage, attic or basement) and multiply the total square footage by three. This will give you the CFM number required for the whole-house fan
  • Motor: 120V, 4.4A, 1100RPM, 1/3HP
Type: Size: CFM Maximum Square Footage in Homes:
Belt-Drive 30" 5700 1900
Belt-Drive 36" 6900 2300

Helpful Documents

Helpful Images

Belt-Drive Fan Installed Belt-Drive Fan Louvers Installed