Altra-Air Sailfin HVLS fans blanket a very large area with constantly moving air to create an expansive comfort zone. As a result, this large ceiling fan can create an evaporative cooling effect of 3 to 4 degrees Celsius throughout the facility.
High Volume Low Speed Fans
The Sailfin Blade Design is a massive evolutionary step towards our most advanced airfoil yet capable of producing a 6mph breeze.
The Sailfin Advantage
Airfoils don’t change....That is unless you work with Envira-North Systems. Since 2003, we’ve continually searched, tested and modified airfoils to maximize their efficiency – solely for the purpose of moving large volumes of air a low speeds. Here’s what we’ve done:
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Increased air speeds.
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Reduced operating costs.
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Decreased noise.
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Streamlined appearance.
Sailfin represents everything users want in an HVLS Fan, it looks nice, moves a ton of air and consumes very little energy!
Sailfin Stats
8' to 24' 16°-23° Lifetime 6 MPH
Diameter Fans
Varying Degree Angel of Attack
Warranty
Breeze
Technical Specifications
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Fans range from 3.7 to 7.3 m (12 ft to 24 ft) in diameter.
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6MPH breeze.
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Maximum 5.7A draw.
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264 CFM/Watt
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Variable speed operation.
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Minimal 2.5" blade flex.
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Up to 23° angle of attack.
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Less torque.
Warranty
Altra-Air fans come with a lifetime warranty on the blades and hub. The motor, gear reducer and VFD control panel come with a three year limited warranty.
Safety
Envira-North’s blade toppers prevent a rotor from failing in the unlikely event of a catastrophic failure of the hub or drive system. The collet-type friction drive bushing connecting the hub to the reducer shaft allows controlled slippage in the event of a seizure of the reducer mechanism, or a failure of the soft start feature in the control panel.
Direct Drive Altra-Air Sailfin HVLS Fans
Altra-Air Sailfin Fan is Now Gearless!
Technical Specifications
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Fans range from 3.7 to 7.3 m (12 ft to 24 ft) in diameter.
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6MPH breeze.
-
Variable speed operation.
-
Minimal 2.5" blade flex.
-
Up to 23° angle of attack.
-
Less torque.
Warranty
Altra-Air fans come with a lifetime warranty on the blades and hub. The motor and VFD control panel come with a three year limited warranty.
Safety
Envira-North’s blade toppers prevent a rotor from failing in the unlikely event of a catastrophic failure of the hub or drive system.