Centrifugal Downblast Exhaust Fans

Roof-mounted centrifugal downblast exhaust fans include direct- and belt-driven fans. These models have backward-inclined centrifugal wheels. These fans are suitable for applications exhausting relatively clean air.

OVERVIEW

Greenheck Centrifugal Downblast Exhaust Fans - Model G

G

The model G is a direct drive, spun aluminum fan, designed for roof mounting on a curb for general, clean air exhaust applications. Units feature a spun aluminum housing and have certifications including seismic, high wind and hurricane.

  • 50 to 14,500 cfm
  • Up to 2.75 in. wg.
Certifications:

High Wind and Hurricane

Seismic

UL/cUL 705

AMCA licensed for FEI & Air Performance

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Greenheck Centrifugal Downblast Exhaust Fans - Model G

GB

Use this belt drive centrifugal roof exhaust fan for general clean air applications where the air discharge is downward, toward the roof surface. The GB features a spun aluminum housing..

  • 70 to 44700 cfm
  • Up to 3.25 in. wg.
Certifications:

High Wind and Hurricane

Seismic

UL/cUL 705

AMCA licensed for FEI & Air Performance

UL/cUL 705 Listed - Supplement SD - "Power Ventilators for Smoke Control Systems" (Formerly UL Smoke)

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Greenheck Centrifugal Downblast Exhaust Fans - Model LB

LB

Model LB is a belt drive, fabra hood-style fan, designed for roof mounting in clean air exhaust applications, where height and aesthetics are a concern. The units feature a backward-inclined wheel, with a low silhouette housing.

  • 950 to 37500 cfm
  • Up to 2.125 in. wg.
Certifications:

UL/cUL 705

AMCA licensed for FEI, Air & Sound Performance

Purchase Options: