Heat Treat and Thermal Processing Systems

Surface is your heat treat furnace manufacturer for any high technology thermal processing and heat treat project.  Our customers trust our expertise in mechanical design, controls engineering, heat transfer, thermodynamics and kinetics that has led to many advances in the heat treat and thermal processing industry.  Surface has designed, manufactured, and installed many diverse thermal processing systems, from proprietary burner designs to complete steel and aluminum mill furnace solutions, as well as silicon annealing to chemical weapon destruction.  Our rugged construction methods and materials maximize manufacturing uptime and minimize heat treat furnace and equipment maintenance. Surface takes pride in finding innovative solutions to produce higher quality products more efficiently that can also meet our customer’s specific process needs. See our furnace selection guide.

Batch Heat Treat Furnaces

Surface's vast heat treat product line includes many batch furnace configurations to meet customer specified thermal processing and production requirements. From our signature Allcase® Batch Integral Quench Furnace to tried and proven vacuum furnace options and customized engineered products, we manufacture batch equipment to serve almost every market and any heat treat process.


Companion Equipment

Flexibility to meet daily changing requirements is the reason most industries prefer Surface heat treat furnaces. Our companion equipment allows for efficient, reliable load handling as well as integration of auxiliary processes, simple future expansion, and furnace refurbishment.



Surface offers a full line of process control systems for heat treat applications, from basic single loop controls to advanced Supervisory Control and Data Acquisition (SCADA) systems. The control systems are fully integrated with equipment process and motion hardware for efficient production.


Gas Generators

Surface offers reliable, easy to maintain, economical on-site atmosphere furnace gas generators with the latest technologies. This includes the benchmark RX® Endothermic Gas Generator, DX® Exothermic Gas Generator, and custom engineered generators.


Vacuum Heat Treat Furnaces

For 50+ years, Surface has manufactured vacuum furnace equipment. Our expanding product line includes the Power Convection® Single Chamber Vacuum Furnace with 2- and 6-Bar quenching capability and the Multi-Chamber Furnace family including 2-Chamber, 3-Chamber and CloverleafTM. The VacuDraw®High Convection Vacuum Purged Temper Furnace enables high production, low-temperature vacuum processing.


Atmosphere Heat Treat Furnaces

Surface's pioneering achievements in combustion and generation of protective atmospheres led to the most complete line of atmosphere heat treating equipment available today, including automated atmosphere furnaces. We manufacture standard and customized equipment to meet individual processing specifications as well as industry leading atmosphere generators.


Continuous Heat Treat Furnaces

Surface manufactures customized continuous heat treat furnaces to match your higher volume production or one-piece flow needs. Our large installed base of equipment is a testament to our proven ability to design and implement for your individual thermal processing specifications. We have the ideal continuous solution to drive your business—cast and mesh belt furnaces, roller and rotary hearth furnaces, and pusher roller and tray furnaces.


Furnace Selection Guide

The Surface furnace selection guide helps determine which one of our innovative solutions will meet your specific process and product needs. Utilizing it, you can also confirm your current furnace's capabilities. Our furnace selection guide ensures you are not only efficient in your processes but you are also producing the highest quality products.