Lucifer Furnaces

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Lucifer Furnaces manufacturing industrial heat treating furnaces and ovens for a variety of heat treating application

manufacturing heat treating furnaces & industrial ovens in the USA

10/16/2026

As we continue to grow, we are investing in the equipment and in-house capabilities needed to support that growth.

Our laser table allows us to produce precision sheet-metal components for our furnace and oven builds, giving us greater control over accuracy, fit, quality and production timing.

This Lucifer logo is a simple demonstration, but the same capability supports the industrial heat-treating systems we build every day here in Pennsylvania.

There’s something pretty cool about seeing a furnace come together on the shop floor.This 44GT-R36 Gas-Tight Atmosphere ...
10/06/2026

There’s something pretty cool about seeing a furnace come together on the shop floor.
This 44GT-R36 Gas-Tight Atmosphere Oven is currently in production, with a 24" x 24" x 36" chamber. It’s always fun to see the pieces come together and watch another Lucifer Furnace take shape.
From our shop to yours, we’re proud to build these right here in the USA.

Look what we found!This old dual chamber furnace is another little piece of Lucifer Furnaces history. We love coming acr...
10/02/2026

Look what we found!
This old dual chamber furnace is another little piece of Lucifer Furnaces history. We love coming across photos like this and getting a glimpse at some of the equipment we were building years ago.
The designs may have evolved over the years, but it’s pretty fun to see how much of our history is still sitting in these old photos.

Another little piece of Lucifer Furnaces history.This furnace detail print dates all the way back to 1951. The drawings ...
09/25/2026

Another little piece of Lucifer Furnaces history.
This furnace detail print dates all the way back to 1951. The drawings may look a little different from what we use today, but it’s pretty cool to see the engineering and craftsmanship that went into our furnaces more than 75 years ago.
Some things change. Building furnaces to last doesn’t.

A little more Lucifer Furnaces history.These old photos give us a chance to look back at some of the people who helped b...
09/23/2026

A little more Lucifer Furnaces history.
These old photos give us a chance to look back at some of the people who helped build the company over the years.

If you recognize either of these familiar faces, let us know!

What happens when a standard oven doesn’t meet your process requirements?Lucifer Furnaces recently built and shipped a c...
09/22/2026

What happens when a standard oven doesn’t meet your process requirements?
Lucifer Furnaces recently built and shipped a custom controlled-atmosphere oven designed for a specific application where atmosphere control and precise temperature performance matter.
See the custom solution and learn more about the oven:
https://hubs.ly/Q04xQ1PR0

A little blast from the past!We found a couple of old Lucifer Furnaces magazine ads and couldn’t resist sharing them. Th...
09/17/2026

A little blast from the past!
We found a couple of old Lucifer Furnaces magazine ads and couldn’t resist sharing them. The look may have changed since the 1940’s but some things haven’t—our love of building dependable heat-treating equipment has been around for a long time.

Which one is your favorite?

Stay informed on the latest from our newsletter: Too Hot to Handle.Sign up for our bi-monthly newsletter and get industr...
08/31/2026

Stay informed on the latest from our newsletter: Too Hot to Handle.
Sign up for our bi-monthly newsletter and get industry insights, educational resources, new articles, and updates from Lucifer Furnaces delivered straight to your inbox every other month.
Subscribe today:
https://hubs.ly/Q04qnbc60

Need a quick reference for heat treating steel?Our Steel Heat Treatment Chart is one of our most popular resources, help...
08/27/2026

Need a quick reference for heat treating steel?
Our Steel Heat Treatment Chart is one of our most popular resources, helping engineers and manufacturers quickly compare common steel types, heat treatment temperatures, processes, and expected results.
Access the free chart here:
https://hubs.ly/Q04qn9BK0

What’s more expensive: routine maintenance or unexpected downtime?For heat treating operations, a small investment in pr...
08/18/2026

What’s more expensive: routine maintenance or unexpected downtime?
For heat treating operations, a small investment in preventative maintenance can help avoid production delays, inconsistent results, and costly repairs.
Every shop has that one maintenance task they’ve learned not to ignore — what’s yours?
Read our preventative maintenance guide:
https://hubs.ly/Q04qn6M20

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Philadelphia, PA

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