By using this site, you agree to our updated Privacy and Cookie Policy and our Terms of Use. Heat Treat Furnaces Engineered To Perform. Built To Last. LEARN MORE Products Surface offers the industry's most diverse product line of advances systems and equipment for thermal processing applications. LEARN MORE Industries Surface offers different equipment design and configurations to accommodate many thermal processing solutions for all industries. LEARN MORE Processes Surface has the knowledge and experience to build a furnace system for a wide-range of processes. LEARN MORE Service & Support From defining the solution, to commissioning, to aftermarket support, we partner with our customer for long-term success. LEARN MORE Products Batch 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. VIEW PRODUCTS Continuous 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. VIEW PRODUCTS Atmosphere 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. VIEW PRODUCTS Vacuum 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. VIEW PRODUCTS 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. VIEW PRODUCTS Controls 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. VIEW PRODUCTS 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. VIEW PRODUCTS A Lifetime Of Expertise Building A Global Community Of Service Surface Combustion has earned a trusted reputation over 100 years of providing rugged, reliable heat treating solutions equipped with the latest technology and backed by strong technical support. Surface strives to build customer relationships that endure long after the initial equipment purchase. When you require a thermal processing partner who can draw from a broad portfolio of proven designs, including pioneering atmosphere and vacuum products, let us show you the Value of SurfaceTM. Multiple-Chamber Vacuum Furnaces Provide Vacuum Advantages with Energy Savings Early vacuum furnace designs began as single-chamber technology in which the heating and cooling required in a typical cycle were performed in the same chamber. While this is a cost-effective furnace design, there are dueling and sometimes completely incompatible design features that are necessary for optimum heating and optimum cooling. Better and thicker insulation helps with heating efficiency, but... Read More Surface Solutions Surface Gas Heated Vacuum Technology Leads the Industry Gas Heated Vacuum Furnace Designs Lower Operating Costs for Vacuum Heat Treatment The advantages of vacuum heat treating are numerous and well documented. These advantages have traditionally been opposed by a few negatives such as furnace cost, overall operating cost, and... VIEW Surface News View All News Surface Combustion, Inc. Featured in Ohio Secretary of State’s Ohio Business Spotlight on Manufacturing Surface Combustion is honored to be highlighted as a manufacturer in Ohio. This recognition is appreciated by Surface and our employees. Surface has two locations in Norwthwest Ohio and supports many manufacturers in Ohio. Read more by visiting the Read More Events View All Events There are no upcoming events at this time. Commonly Asked Surface Questions CLICK HERE New Customers Existing Customers Ready to Get Started? Please call us when you are ready to discuss a new furnace or maintain, upgrade or replace your furnace or any part of your furnace. At Surface, we look forward to helping you with any thermal processing needs. 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