October 2025
In response to the unique challenges faced in agricultural environments, where humidity and corrosive conditions are common, Sterling HVAC sought a solution that would deliver both durability and efficiency without compromising affordability.
After extensive research and testing, the company identified Magnelis®, a specialty metallic coating known for its exceptional corrosion resistance and cost-effectiveness, as the ideal material for its new line of agricultural unit heaters.

What began as a targeted solution for the agricultural sector has quickly expanded across Sterling HVAC’s broader product portfolio. The adoption of Magnelis® reflects Sterling’s ongoing commitment to innovation, reliability, and customer-focused engineering - ensuring that every product stands up to the toughest conditions while delivering long-term value.
Sterling HVAC continues to push the boundaries of performance and durability, reinforcing its position as one of North America’s leading producers of gas-fired unit heaters and a trusted name in HVAC excellence.

Sterling HVAC, a division of Mestek, Inc., a family-owned conglomerate of 46 specialty HVAC companies, has long been recognized as a leader in high-performance heating solutions.
Since its founding in 1946 as Sterling Radiator Company, the brand has evolved into an industry leading manufacturer of gas-fired unit heaters, engineered rooftop equipment, and infrared heaters, serving residential, commercial, and agricultural markets across North America.
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Say goodbye to worries about corrosion with Magnelis® and dive into a partnership that ensures quality, durability, and innovation.
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Copyright pictures: Sterling & ArcelorMittal