New KSQ Mixed Flow Untempered Roof Supply Fan From Greenheck

June, 2023

Greenheck’s new KSQ mixed flow roof supply fan provides energy-efficient building supply or untempered make-up air in applications where heating and cooling are not required. Model KSQ is available in direct drive sizes 7 through 33 with performance up to 16,750 cfm and 2.75 in. wg in multiple configurations including horizontal or bottom intake and Greenheck Mixed Flow Untempered Roof Supply Fan - Model KSQhorizontal or bottom discharge. The KSQ’s mixed flow wheel improves airflow and efficiency while reducing sound levels, and its compact design enables a smaller footprint. Washable aluminum filters are included with the option to add pleated MERV 13 filters on bottom intake configurations. Vari-Green® motors are available through 10 hp, while panels on either side of the unit provide quick access and inspection. A knockdown field-installed weatherhood kit is provided. Multiple options and accessories are available including intake and discharge options, roof curbs, duct adapters, backdraft and control dampers, coatings, duct collars, isolation options, disconnect switches, and controls. AMCA licensed for FEI, Air and Sound Performance and UL/cUL 705 Listed, model KSQ is ideal for filtered roof supply, untempered make-up air, kitchen supply, stairwell/elevator shaft pressurization, and other clean air applications.


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About Greenheck

Greenheck is a global leader in engineering and manufacturing air movement, control, conditioning, and distribution equipment. For 75 years, we have been committed to promoting the highest levels of indoor air quality by offering the widest range of ventilation products for commercial and institutional buildings. Through superior customer service, we continue our legacy of innovation as experts in air movement by connecting our mechanical representative partners and customers with the newest products. With our CAPS® product selection tool and HVAC University product education series, Greenheck offers technology and product knowledge to ensure that when you work with us, you are working with the easiest company to do business with.

To learn more, visit or contact Greenheck, P.O. Box 410, Schofield, WI 54476-0410, (715) 359-6171, FAX (715) 355-2399.