Greenheck Adds Vari-Green® Motor Technology to Axial Rooftop Fans
October, 2021
Greenheck continues to lead the industry in electronically commutated motor offerings by incorporating its Vari-Green® motor in select models of axial direct drive rooftop fans. This industry-first offering provides all of the controllability of a variable frequency drive (VFD) inVari-Green_Axial-Rooftop-Collage_Open a smaller, low maintenance package that simplifies installation and reduces field costs. Greenheck axial direct drive fan models now available with Vari-Green technology include exhaust and supply hooded rooftop models RE2, RS2, RCE3, and RCS3 in seven sizes ranging from 24 to 60 and exhaust upblast rooftop model RDU in five sizes ranging from 24 to 48. These models are available with Vari-Green single and three-phase motor options up to 5 hp and are ideal for warehouses, distribution centers, and manufacturing facilities. Vari-Green motors feature IE5 Ultra-Premium motor efficiencies and integrated, pre-programmed drives that eliminate the need to purchase a separate VFD. Additional Vari-Green features include standard onboard internal shaft grounding and onboard motor protections including overheat, locked rotor, stall, and overload.

Greenheck is the worldwide leader in manufacturing and distributing air movement, control, and conditioning equipment. 

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