roof ventilators


Low Profile Hooded Roof Ventilator, Belt Driven (Commercial)


The BSHB low profile hooded roof ventilator provides cost-effective, general-purpose ventilation of commercial buildings, with a pleasing low profile design that minimizes extension above the roof line. A wide array of adjustable pitch, cast aluminum impellers are available to meet specific performances and application requirements. Aerovent also offers a complete line of options and accessories such as roof curbs, backdraft dampers, disconnect switches and special coatings.

Sizes (impeller diameters)

  • 21 to 54 inches (535 mm to 1,370 mm)


  • Airflow to 46,500 CFM (79,100 m3/hour)
  • Static pressure to 1 inch w.g. (250 Pa)