Aura Solar Attic Fan | CFM: 740 12″ Diameter 4″ Tall Collar ASF-12-C04
Basic dimensions of the Aura Solar Fan and it’s identifying attributes. Primary identifying dimensions of vents and fans are the inside diameter of the Head, which equals the diameter of the hole being vented, and the height of the Collar which is the solid tube between the Head of the vent and the Flange which attaches to the roof.
Louvers are the vertical openings in the vent, which facilitates the flow of air, while keeping animals, insects, debris, and embers out. The combination of inner and outer Louvers on our patented “Aura” series of vents and fans are shaped to create a positive vacuum effect which draws air out of the vent, utilizing a physical principle known as the Venturi effect.
Expected snow and rain in your region and the pitch of the roof are the key consideration when choosing the height of the collar of your roof vents. Zones 1 and 2 are not expected to sustain significant snow packs, while zones 3-7 are likely to experience snow, possibly for weeks or months. Vent collars under 4 inches are inappropriate for flat (0/12 pitch) roofs because even heavy rain can splash water into a shorter vent.
Shipping Dimensions for ASF-12-C04
|Actual Package Weight||15 lbs|
|Dimensions||18 × 18 × 16 in|
|UPS Dimensional (Billable) Weight||38 lbs|
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Installation Guides Under Development. Coming Soon.
The Aura Solar Attic Fan uses both solar and wind power for optimum ventilation performance both day and night. Exhausting air passively, (driven by wind), also removes hot air from the attic on summer evenings and cloudy days, lowering attic temperatures.
- Aura Solar Fan, 12″ Diameter, 4″ Collar, and Square Flange