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Air Vent Direct-Drive Whole House Fan

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Product Information


The Air Vent Direct-Drive Whole House Fan has a pull-chain operation with two speeds. 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 Louvers.


  • A heavy steel housing with a powder-coated finish makes them extremely durable
  • Can be mounted without cutting an attic joist
  • 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
Type: Size: CFM Maximum Square Footage in Homes:
Direct-Drive 24" 4500 1500

Helpful Documents

Helpful Images

Direct-Drive Fan Installed Direct-Drive Fan Louvers Installed