Big Ass Fans® has developed the greatest improvement in high - volume / low - speed fans - the Powerfoilä. It provides 35% more cubic feet per minute (cfm) than even their award - winning Wickerbill Airfoil Fan. With an astounding 400% increase in energy efficiency over the Wickerbill fan, it costs 50% less to operate. This makes the Powerfoilä the obvious solution to destratify air in the winter to substantially lower heating bills 25% or more. In the summer, the Powerfoilä fan can be sped up to produce 334,000 cfm to lower the effective temperature in warehouses, plants, and commercial facilities.
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Big Ass Fans® improve air circulation and worker comfort year round, particularly in high-ceiling industrial and commercial buildings. These 8 ft to 24 ft fans each move up to 246,000 cfm of air over an area as large as 20,000 sq. ft. for about a nickel an hour.

The Big Ass Fan® is a rare combination of size and economy. Using the latest air foil technologies and motor design backed by professional service to produce one of the most cost-effective solutions in HVAC!