BUILDING THE HIGHEST QUALITY INDUSTRIAL FANS IN NORTH AMERICA FOR SIX GENERATIONS
CSA APPROVED! - Heavy Duty - 575v Options
Capable of testing in a 12ft 50,000 CFM @ 24"wg test chamber
5 YEAR FULL WARRANTY

CSA APPROVED! - Heavy Duty - 575v Options
Capable of testing in a 12ft 50,000 CFM @ 24"wg test chamber
5 YEAR FULL WARRANTY
Direct Gas Fired Door HeaterSeries 79Engineering Guide | Industrial Fan Guide | Door Heater Brochure | IOM Manual |
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The Hartzell Direct Gas Fired Door Heater delivers powerful, efficient heat for large industrial and commercial spaces where conventional heaters may not be practical. Designed for environments such as warehouses, shops, and manufacturing facilities, this unit uses direct gas combustion to warm and circulate air quickly, maintaining comfortable temperatures while keeping energy use under control. Built with professional‑grade components, the heater offers reliable performance and simple operation. Its direct‑fire design heats incoming air directly, eliminating the need for complex ducting or extensive installation. Rugged construction and quality controls ensure long‑lasting dependability, making it a versatile choice for facilities that require consistent, effective heat without compromising on performance. Specs |

Hartzell Air Movement has built its reputation on relentless innovation and commitment to engineering excellence. From its earliest days, the company focused on producing high‑performance industrial fans and air movement products, continually refining designs to address real‑world challenges. This drive to innovate is rooted in listening to customer needs, applying rigorous testing, and pushing the boundaries of materials and manufacturing techniques to ensure products deliver dependable performance in the toughest environments.
Central to the Hartzell difference is a deep understanding of airflow science and the importance of quality at every stage of production. Hartzell products are designed, built, and tested with a focus on durability, efficiency, and long service life. By combining industry knowledge with hands‑on experience and a culture of continuous improvement, Hartzell delivers solutions that help customers solve complex ventilation problems, improve system performance, and reduce maintenance costs.
Ultimately, what sets Hartzell apart is the company’s dedication to excellence — from product development and manufacturing integrity to customer support and long‑term performance. Whether for standard industrial applications or demanding custom installations, Hartzell’s approach prioritizes reliability, performance, and lasting value.
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Contact Craig - craig@ratetechnology.com
to learn how HARTZELL equipment and systems can benefit your operations.