Introducing Powerfoil® X4, the new standard of comfort, safety, and quality for industrial fans. Featuring patented, state-of-the-art airfoils, a high-performance motor, full-fan IP56 rating, and diameter options ranging from 12 feet up to a record-setting 30 feet, Powerfoil X4 is engineered to provide maximum airflow in the toughest of environments.
The redesigned Powerfoil X4 features a Stober NitroSeal™ gearbox, an energy-efficient motor, and a VFD with built-in heatsink for increased reliability and heat dissipation. This top-of-the-line VFD allows for seamless BAS and fire relay integration, as well as 0-10V control.
Its patented flexible spar hub, dual safety cable system, and redundant airfoil retention features make Powerfoil X4 the industry’s safest HVLS fan. Our dual-axis mounting system is tensile-tested to 28,000 pounds-force and contains no critical welds that could compromise its integrity.
Powerfoil X4 is built to be the best—and that means always improving. Its functional platform makes it easy to upgrade your fan with lights, security cameras, speakers, or any other devices you need to get the job done.
Powerfoil X4 boasts redesigned airfoils with an aggressive angle of attack. Coupled with its all-new patented winglet and airfence system, Powerfoil X4 achieves world-class airflow without compromising safety or efficiency.
Expertly engineered to provide years of premium airflow in harsh environments, Powerfoil X4 is not only the world’s largest fan—it’s the industry’s best. Take your facility to the next level with the best-selling HVLS fan in the world.
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