Inline Fans

SQ-M and BSQ-M (Centrifugal Inline Fans - Direct and Belt Drive)

Centrifugal inline fans feature a unique combination of installation flexibility, rugged construction, ease of service, high efficiency, and low sound levels. These compact inline fans are the ideal selection for indoor clean air applications including intake, exhaust, return, or makeup air systems where space is a prime consideration. Available in belt drive or direct drive.

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QEI and QEID (Hybrid Fans - Belt and Direct Drive)

Hybrid inline fans can be used with clean air for supply, exhaust, or return air installations. Our patented design excels in commercial applications where low sound is critical. In addition, fans are more efficient than comparably sized double width cabinet and axial fans, thus reducing the required motor horsepower and lowering operating costs.

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FDW-M and BDW-M (Double Width Centrifugal Fans - Forward Curved and Backward Inclined)

Models FDW-M and BDW-M are ideal choices for exhaust air, supply air, filtration, heating, air conditioning, and industrial process applications. Fans are available in 12 sizes and feature double width, centrifugal wheels. Housings feature air-tight, seam-locked construction.

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AX-M and AX-MC (High Performance Axial Fans)

Direct driven axial fans are designed for inline air ventilation in commercial or industrial buildings. The casing design and construction are well suited to indoor or outdoor applications and can be easily installed in ducted or non-ducted systems. The AX is designed to reduce operating costs with improved efficiency. Additionally, the blade design offers inherently lower sound levels than other axial fans.

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GJ-AU and GJ-AR (GreenJet Unidirectional and Bidirectional)

The GreenJet series includes a range of fans to accommodate your needs for parking garage ventilation. Available in both the unidirectional series (GJ-AU) and the bidirectional series (GJ-AR). Both series come standard with inlet and outlet silencers, inlet guard, mounting feet and aluminum die cast propellers and blades. The GJ-AU series features a true airfoil design propeller which is designed to move high volumes of air at a high efficiency in a smaller diameter fan. The GJ-AR series features a 100% reversible, highly efficient, airfoil blade design.

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Commercial and Industrial Utility Sets

SWB-M (Centrifugal Backward Inclined, Utility Fans)

Backward inclined utility fans are designed, engineered and tested to provide years of dependable service with minimal maintenance in commercial and industrial applications. Advantages include higher operating efficiencies, non-overloading horsepower curve and higher pressure capability. Scroll is field rotatable to 8 different discharge positions.

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Series M41 - BISW-M41/AFSW-M41 (Centrifugal Fans - Single Width Backward Inclined and Airfoil Wheels)

Airfoil and backward inclined centrifugal fans are designed to provide efficient and reliable operation for commercial and industrial applications. Manufactured with state of the art laser, forming, spinning and welding equipment, these fans endure our quality control testing to ensure trouble free start-up. Models include industry leading design features to ensure your ventilation equipment has the latest technologies available.

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Sidewall Exhaust and Supply Fans

SE1-M and SS1-M (Sidewall Propeller Exhaust Fans, Direct Drive - Exhaust and Supply)

Sidewall propeller fans are the ideal choice for factory and warehouse applications where high volumes of air and low pressures are required. Performance spans the range between 510 to 11,383 m3/hr (300 to 6,700 cfm) with static pressures to 175 Pa. Fan sizes range from 203 to 610 mm (8 to 24 inches). Regardless of fan size, performance or duty level, all Greenheck sidewall propeller fans are built to perform with the same high standards of reliability and durability.

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Rooftop Exhaust Ventilators

GB-M (Centrifugal Roof Exhaust Fans, Belt Drive)

Centrifugal roof exhaust fans are ideal for general, clean air exhaust in commercial and industrial applications. Fans feature a spun aluminum housing, backward-inclined centrifugal wheel, and fully rolled windband for increased stability and support.

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Fire Dampers

FD-M and DFD-M (Static and Dynamic)

Fire dampers are designed to protect duct penetrations and transfer openings in fire rated walls, barriers, partitions, or floor/ceiling assemblies. Model FD-M is for use in HVAC systems that shut down in the event of fire, while model DFD-M is for use in HVAC systems that remain operational in the event of a fire. Upon temperature elevation, the dampers will automatically shut, preventing the spread of flames. 1 ½ and 3 hour rated fire dampers are available, in fusible link temperatures of 74ºC (165ºF), 100ºC (212ºF), and 141ºC (286ºF).

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Smoke and Fire/Smoke Dampers


Smoke (SMD-M) and combination fire and smoke (FSD-M) dampers are designed for use in HVAC system applications where emergency smoke or fire/smoke control is required. Upon temperature elevation, damper will close automatically to prevent the spread of fire and/or smoke. Dampers include factory installed actuators wired to a single junction box.

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Manual Balancing and Control Dampers


Manual balancing and control dampers are designed for use in HVAC systems requiring modulating airflow. Blade design maximizes free area, increasing damper performance. Dampers may be mounted in either direction of airflow which is an advantage when installing with space constraints.

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