Inline Fan Models Receive High Wind Certification
June, 2025
Greenheck’s SQ Outdoor, KSQ, and RSQ fans have received Miami-Dade Notice of Acceptance (NOA) and Florida Product Approval (FPA) confirming their performance in high-wind conditions. This certification ensures these models meet stringent requirements for hurricane-prone regions, offer enhanced reliability and safety in critical applications, and are suitable for projects that need superior durability. For model-specific information, visit the following product pages.
KSQ Mixed Flow Roof Supply Fans provide energy-efficient building supply or untempered make-up air. Multiple intake and discharge configurations offer application flexibility, and a mixed flow wheel improves airflow and efficiency while reducing sound and footprint. Ideal for filtered roof supply, kitchen supply, stairwell/elevator shaft pressurization, and other clean air applications.
RSQ Direct Drive Rooftop Fans, available in supply or exhaust configurations, incorporate mixed flow wheel technology to improve airflow and efficiency, reduce sound, and allow for a more compact design—all in a weatherproof housing. Offering installation flexibility and ease of maintenance, the RSQ is available with Vari-Green® motors up to 10 hp and a variety of configurations and accessories.
SQ Direct Drive Inline Fans with mixed flow wheel technology deliver a unique combination of high efficiency, low sound, and easy installation in a square housing design. The SQ, available in 12 mixed flow wheel sizes with performance up to 27,800 cfm and up to 3 in. wg, now carries a wind load rating of 90 psf.
About Greenheck
Greenheck is a global leader in engineering and manufacturing air movement, control, and conditioning equipment. For more than 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 www.greenheck.com or contact Greenheck, P.O. Box 410, Schofield, WI 54476-0410, (715) 359-6171, FAX (715) 355-2399.