S&B Indirect Air Heaters by Industry + Testimonial Quotes

At Stelter & Brinck, with over 100 years of expertise in the process heat industry, we design and manufacture custom indirect fired air heaters that deliver clean, contaminant-free hot air to the most demanding industrial applications. Our indirect air heaters (IAH) separate combustion gases from the process air stream. See the diagram below. In this…

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Direct vs. Indirect Fired Process Air Heaters FAQ | Expert Answers

Indirect Fired Air Heater Diagram

At Stelter & Brinck, we design and manufacture custom process air heaters, among other combustion systems. From direct-fired duct, packaged, and gun-style units to indirect-fired recirculating, non-recirculating and straight-through models, our equipment powers critical industrial processes worldwide — drying, curing, heat treating, makeup air, food processing, metals preheating, and more. Customers often have the same…

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Direct-Fired vs. Indirect-Fired Process Air Heaters: Best Uses by Application

At Stelter & Brinck, with over 100 years of expertise in the process heat industry, we specialize in custom process air heaters — direct-fired and indirect-fired — designed specifically for industrial use. Process air heaters provide heated air directly into manufacturing process, optimizing system heat, energy use, and product quality across diverse settings. Direct Fired…

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Direct vs. Indirect Fired Air Heaters: Comparison Guide for Industrial Applications

With over 100 years of experience designing and manufacturing custom industrial process air heaters, Stelter & Brinck knows that choosing between direct fired and indirect fired air heaters is important to your operation’s efficiency, product quality, and bottom line. Whether you’re drying grain, curing composites, processing food, or heating sensitive chemicals, the right heater delivers…

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Custom Built Indirect Hot Air Source

Are you looking for an indirect hot air source for your process needs? An indirectly fired air heater that has high thermal capabilities? One that is custom designed, engineered and built, just for your application? Stelter & Brinck is happy to assist in your indirect air heater needs. Whether your application requires a recirculating, non-recirculating…

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