Surface offers a diverse line of industry-leading heat treat and thermal processing equipment built on decades of engineering expertise, industry knowledge, and technical support. We also offer custom-designed solutions. Talk to our team about your objectives today.

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Furnace Selection Guide

Let’s find an innovative, efficient heat treat furnace solution for your thermal process needs. Our furnace selection guide is a great place to start.

Find the Right Furnace

Your partner for new ideas, technical expertise, and aftermarket service.

For over a century, Surface Combustion has been solving thermal processing challenges and helping our customers move forward. How can we help you?

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Built to Perform

Engineering Expertise Makes the Difference

Surface continues to innovate and manufacture heat treat furnaces that deliver years and years of rugged dependability thanks to engineering expertise and design that leads the industry.

Over 675 Patents

Over 300,000 Installations

Over 75 Industry Recognized Trademarks

Installed in 50 Countries Worldwide

Surface Solutions

An Industry Guide to Atmospheres Used in Heat Treating Furnaces

Discover the best atmosphere for your heat treat application in the Surface Combustion Yellow Book. Our guide offers an overview of atmospheres used in heat treating furnaces. In addition to your furnace choice, the generation application and proper control of the treating atmosphere are critical factors in the heat treat process.
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Insights & Expertise

Put 110 years of Surface Combustion knowledge and innovation to work for you. Check out our range of informative resources.
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Upcoming Events

Join Surface Combustion at RAPID + TCT 2025

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Upcoming Events

Find Us at Forge Fair 2025 – Booth #1134

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Case Study

Surface Gas Heated Vacuum Technology Leads the Industry

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Highlights

Discover Your Vacuum Furnace Solution!

Move Forward With Surface

We’re here to help. Surface Combustion is your heat treat equipment partner and expert knowledge resource as your company makes plans for innovation and growth.