Aura Solar Attic Fan | CFM: 1740 18″ Diameter 12″ Tall Collar | Model ASF-18-C12


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18 Inch Aura Solar Attic Fan | ASF-18-C12 | 1,375 CFM

The 18 inch Aura Solar Attic Fan is 18 inches in diameter and has a 12 inch tall collar. The model number is ASF-18-C12 and exhausts air out at 1,740 CFM. All 18 inch solar gravity fans come with a standard 24″ x 24″ square flange.


The Aura Solar Fan uses both solar and wind to power the ventilator. It exhausts air continuously even when there is no sun and the motor is off. It works passively because of the Venturi Effect. When the wind blows against the outer louvers this creates an upward draft which allows air to freely flow in and out of the vent.

The 1/8 inch louvers prevent rain, snow, insects, and animals from entering inside the fan.

How it works:

When the motor is off the attic fan will still ventilate passively. In other words, even the smallest breeze can create exhaust ventilation to draw air out of the fan.

For any questions please see the frequently asked questions page. If you still have questions, email the sales team at [email protected] or call 845-565-7770

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Tandem Solar Panel Options:
An additional solar panel is available for all solar fans

Shut-off Switch Options:
SOS - Simple Shut-Off Switch
TSOS - Temperature Sensor Shut-off Switch

Our products can be painted with a durable baked-on powder coating surface finish.
Click in a color square to choose a paint color.
Click "Premium Colors" to see the full set of color options.

Brand: Active VentilationUPC(GTIN): 843951008615 Model ASF-18-C12 Category:
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