Engineering News-Record introduces you to Big Ass Fans' Powerfoil® X4, engineered to provide maximum airflow in the toughest of environments. 

  • Powerfoil® X4 from Big Ass Fans
    The new standard of comfort, safety, and quality for industrial fans
  • Premium features in an industrial HVLS fan
    Sizes, ratings and mounting systems

Sponsor: Big Ass Fans

Sponsor Interactive Product Spotlights and Infographics

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Start exploring to uncover comprehensive brand and product information, multimedia, and additional downloads within an animated and interactive viewing environment. Learn more at or a sales rep.