Fans Hooded Roof Gravity Ventilator

Up to 72,000 CFM

Our commercial roof exhaust fans provide powerful cooling performance and natural gravity ventilation inside and outside of buildings.

  • Durable, heavy-duty galvanized steel or aluminum construction
  • Applications include building pressure relief and fresh air intake
  • Capacity range up to 72,000 CFM
Back to Top

Performance and Style

Our GHRV ventilators are available in a square-hood, stepped-curb cap design. The design compliments the silhouette of any building, providing the performance, size selection and economical advantages required from virtually any design specification. Gravity ventilators are constructed of heavy-gauge aluminum or galvanized steel. These fans are suitable for a variety of applications, including building pressure relief and fresh air intake, and are available in throat sizes up to 72” x 72”.
Performance and Style



Ventilator is constructed of galvanized steel or heavy-gauge aluminum.

Easy Installation

Our commercial and industrial fans provide relief and supply fresh air ventilation in one, easy-to-install design.

Broad Range Of Sizes

The roof curbs of our hooded roof gravity exhaust fans are available in a wide range of sizes, up to 72" x 72".


  • Intake or relief application
  • Galvanized steel or aluminum construction
  • Mechanically fastened for easy removal
  • Weather-tight construction
  • 1/2" bird screen standard

Looking For Help?

Commercial Product Support