The history of Hartzell Fan, Inc.® actually dates back to 1875 when John T. Hartzell began manufacturing farm wagons in Western Ohio. Some 30 years later, John Hartzell's grandson, Robert, joined the company after studying engineering at the University of Cincinnati. He was interested in aviation and often talked with Orville and Wilbur Wright and Glen Curtis when they came to Piqua to pick out straight-grained walnut lumber to make their propellers. He saw the possibilities in manufacturing propellers and hired a young engineer, Fred Charavay to design a line of airfoil blades which they would hand-draw from a laminated block of Hartzell walnut. From that point, and for the next 70 years, Hartzell Propeller, Inc. would be an industry leader in the design and manufacture of aircraft propellers.

Hartzell Fan, Inc.® grew from the roots of the aircraft division as Chief Engineer Charavay placed an aircraft propeller in an industrial ventilation application in the early 1920's. The design was refined and Hartzell engineered the first propeller type fan.

Hartzell has become the industrial ventilation expert producing high-qualifying, efficient, and innovative ventilation solutions. Hartzell Air Moving Products include fans for general and process ventilation including a complete line of axial, centrifugal fans and blowers, an extensive fiberglass product line, a complete line of make-up air and heating equipment and a full range of options and accessories. Ventilation solutions and applications to numerous markets such as: manufacturing and process industries, fossil power and co-generation, metals and mining, municipal (sewage treatment), on-board marine and various OEM applications involving cooling drying and circulating.

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