Heavy duty ceiling fans are designed move a higher than average air volume with the normal sized fan blade. A basic 36” residential ceiling fans will move around 3,000 to 3,500 cfm, a 36” Leading Edge commercial ceiling fans moves 12,500. That's 4 times the air with the same size fan blades, if you're looking to move a lot of air stick with a commercial ceiling fans or industrial ceiling fans.
Commercial Ceiling Fans
36” Blade = Coverage area up to 1,600 Sq. Ft. Mount 7 to 20 Ft
48” Blade = Coverage area up to 2,000 Sq. Ft. Mount 7 to 20 Ft
56” Blade = Coverage area up to 3,000 Sq. Ft. Mount 7 to 20 Ft
Industrial Ceiling Fans
56” Blade = Coverage area up to 3,800 Sq. Ft. Mount 20 to 45 Ft
60” Blade = Coverage area up to 5,000 Sq. Ft. Mount 20 to 45 Ft