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FloAire DDAR12-1

12" 862 CFM Direct Drive Sidewall / Rooftop Ventilator

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Axial Direct Drive Fans are the perfect low cost exhaust choice in the areas that have little or no ductwork, and thus, relatively low to moderate resistance. The FloAire DDAR12-1 is a popular choice for medium-sized attics, and is capable of moving 862 CFM for attics up to approximately 1,225 square feet. Designed to keep the temperature in an attic from reaching extremes, the DDAR12-1 removes super-heated air in the summer or moisture-filled air in the winter.  The ventilator creates a gentle breeze in the attic by pulling air from the outside through vents in the soffits or undereaves.


  • Spun aluminum housing for rust-free weather resistant durability
  • Propellers constructed with die formed blades riveted to a steel hub
  • Can be roof or wall mounted
  • Standard bird screen
  • Wire conduit to provide a clear channel for electrical connections
  • Emergency Disconnect Switch

Air Flow

The amount of air, rated in cubic feet per minute, that the unit can move.

Air Flow
862 CFM
Curb Dimensions
17 1/2W x 12H x 17 1/2D inches
Roof Opening- Round
13 inches
Horse Power

The amount of power generated by the motor. One horsepower (HP) is equivalent to 746 watts.

Horse Power
1/10 HP
Product Weight
32 lbs
Fan Speed RPM
1,500 RPM
20 5/16 Inches
19 Inches
10 1/4 Inches

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.