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Broan 349BR Roof Mounted Attic Fan

Broan 349BR
Item #: 349BR
Retail: $218.86 Price: $156.33
You Save: $62.53 (28.6%)
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Broan 349BR Roof Attic Fan

The Broan 349BR Brown Roof Attic Fan is a great choice for homeowners looking to reduce their air conditioning bill. The Broan 349BR Roof Attic Fan motor is thermal protected and permanently lubricated for long maintenance free life. The Broan 349BR Roof Attic Fan fits between standard rafters for easy installation and includes installation template. The adjustable thermostat allows home owners to choose at what temperature from 70 to120. The Broan 349BR Roof Attic Fan turns on and comes with a automatic thermostat controller. This 349BR is a brown powder coated steel domed top to match the roof tile and not be obtrusive or unsightly on top of your roof. You can also choose from other fan choices with different CFM or color.


  • Durable plated steel
  • Low-profile domes
  • Powder-coated dome for a tough finish
  • 14 inch galvanized steel fan blades
  • Self-flashing plated flange and bird guard
  • Available in brown.
  • Includes thermostat 70-120 automatic control
  • Cools attics up to 1400 square feet
  • Value Plus Roof-Mounted Attic Fans

Technical Specs

Installation Guide
Specification Sheet

Technical Specs

Amperage 4.0
Attic Size 1400
CFM 1000
Diameter 25
Dome Material Steel
Height 8
Includes Thermostat Yes
Inlet Area 3.5
Installation Type Roof Mount
Solar No
Voltage 115
Width 25

How to calculate the CFM needed for your attic application

One square foot of unobstructed inlet area is required for every 300 CFM output.

Multiply your attic square footage by .7 for minimum air delivery need to exhaust the attic. For darker roofs add 15% to the CFM you just calculated. For exceptionally large attics use 2 fans and have sufficient exhaust or it will put the heat back down into the house.

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