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Custom Industrial Furnaces and Ovens

Tip Up Furnace, Manipulator and Quench Tank

Custom-built industrial furnaces are heat treat furnaces manufactured to perform a wide range of heat treatment tasks within the confines of a contained fireproof box. When compared to open-air systems, industrial furnaces produce higher processing temperatures while providing higher efficiency gains. Kleenair’s advanced engineering and manufacturing capabilities, along with the quality, performance, and reliability of our products, have earned the loyalty of countless returning clients.

At Kleenair, all our industrial furnaces and ovens are completely custom, and many are built with innovative designs and features that have never been seen before. Our collective wealth of expertise—across many different processes and industries—enables us to produce new, highly effective solutions for challenging applications.

Contact us for more information regarding our custom-designed and custom-built industrial furnace and oven manufacturing capabilities, or call us at 800-275-5152 and we will gladly assist you with any questions that you may have. Kleenair Products is your trusted manufacturing partner for premium custom-built industrial furnaces and ovens.

Why Choose Kleenair Products for your Custom Industrial Furnace & Oven Needs?

With over 50 years of experience in the designing, engineering, and manufacturing of custom industrial furnaces and ovens, Kleenair Products can produce a custom furnace or oven based on your exact needs and specifications. Some of the advantages of working with Kleenair for your custom-built industrial furnace and oven needs includes:
  • Unrivaled Experience & Expertise
  • Unique Custom Options
  • Premium Quality Materials
  • Ongoing Support Throughout the Life of the Furnace or Oven

Custom Industrial Furnace vs. Custom Industrial Oven: What are the Differences?

There are numerous key differences that separate the functionality of an industrial furnace from that of an industrial oven. These key differentiators will impact what processes are best suited for your application. The categories that separate industrial furnaces from industrial ovens, include the following:
  • Temperature – The biggest difference between these two processes is the temperature range. Furnaces operate in temperatures of up to 2000oF or higher, while ovens generally operate in temperatures from 250oF – 900oF
  • Atmosphere – The atmosphere within both systems is relatively similar with both able to operate in an air atmosphere, or an inert-gas atmosphere. However, furnaces are also able to operate in a combustible atmosphere, of hydrogen, exothermic or endothermic gas.
  • Heat Distribution – Industrial ovens release air into a separate heating chamber, which generates a high amount of recirculated air. In comparison, industrial furnaces introduce heat directly to the product. Within a furnace setting the heat source can also be placed in various configurations to provide uniform heating.
  • Applications - Industrial furnaces are often associated with the heat treatment of more robust materials, including metals. A wide range of heat treatment processes can be effectively performed in a furnace, including annealing, tempering, and carburizing. Ovens are often utilized for curing purposes.

Custom Industrial Furnace & Oven Options

Based on your specific application, Kleenair Products offers a broad range of custom industrial furnace and oven options. Kleenair Products is the nation’s premier industrial oven manufacturer and industrial furnace manufacturer. Our knowledgeable experts can produce the following types of custom industrial furnaces and ovens:

Titanium and Super Alloy Forging Furnace

Forging Furnaces

A forging furnace is used to heat metals to their forging temperature prior to or during the forging process. Our custom forging furnaces provide superior temperature uniformity and usability to ensure that all process temperatures are met during your forging operation.

Metal materials must be heated to their forging temperature to be forged. As such, the temperature requirements of a forging furnace depend on the material being worked. Materials like aluminum can be forged at relatively low temperatures, from 700° to 1,000°F (371° to 538°C); other materials, such as titanium and zirconium, can require temperatures that exceed 2,250°F (1,232°C).

Forging Furnaces

Automated Tip Up Batch Furnace System

Heat Treating Furnaces & Ovens

Austenitizing, stress relieving, annealing, normalizing, aging, and other heat treating operations require precise control of temperature and processing time to ensure that the treated materials undergo the necessary changes that an industrial heat treat furnace should offer. Our custom industrial heat treat furnaces feature fully programmable controls and optional automated material handling and quenching systems for reliable heat treating. Kleenair Products is a leading heat treatment furnace manufacturer. 

Heat Treating Furnaces & Ovens


Multitube Molybdenum/Tungsten Reduction Furnace

Tungsten & Molybdenum Reduction Furnaces

Tungsten reduction and molybdenum reduction are carefully controlled metal processing operations. Our reduction furnaces provide precision temperature control and uniformity, and are readily compatible with hydrogen process atmosphere requirements. Advanced control systems make them easy to program for complex operations.

Our custom tungsten and molybdenum reduction furnaces feature state-of-the-art controls and HMIs (human-machine interfaces) for precision control of your reduction processes. With our easy to use control systems, programming the temperature, time, and atmospheric requirements of your reduction furnace is a snap.

Tungsten & Molybdenum Reduction Furnaces

Pusher Investment Cast Burnout Preheat Furnace

Titanium & Zirconium Reduction/Distillation Furnaces

Titanium and zirconium reduction and distillation processes require a furnace with precise temperature control and reliability. Kleenair’s custom reduction and distillation furnaces are built to meet your performance requirements and easy to program for strict process management.

Our innovative, intuitive controls make it easy to program your reduction/distillation furnace to your time, temperature, and process atmosphere requirements. Optional automated material handling systems provide enhanced productivity and operator safety.

Titanium & Zirconium Reduction/Distillation Furnaces

Hydrogen Atmosphere Pusher Sintering Furnace

Powdered Metal Sintering/MIM Furnaces

In powdered metal sintering and metal injection molding (MIM), fine granular metal is mixed with special binders within the metal sintering furnace to create a slurry that can be poured, pressed, or injected into a mold to form the part shape. Metal sintering furnaces and MIM furnaces, or MIM sintering furnaces, provide precise temperature to debind and sinter the parts, which leaves solid metal parts behind.

The extreme temperatures of the sintering furnace can reach up to 3,300°F (1,816°C). Parts can be sintered into the final part shape or in a raw shape that requires additional machining or finishing.

Sintering/MIM Furnaces

Investment Casting Furnace

Investment Casting Furnaces

Investment casting is a complex, multi-stage process. A key phase in investment casting is the dewax and preheat of ceramic molds that will be used to contain molten metal and create the end part. An investment casting furnace provides the high and consistent temperatures required to fully harden ceramic molds and melt out the wax that gave the molds their initial shape.

Intuitive software and custom functionality give you precision control of the temperature, duration, and processing atmosphere of your investment casting operation.

Investment Casting Furnaces

Drop Bottom Heat Treat Furnace with quench tank

Quenching Systems

Quenching is a critical step in many heat treating and metal processing operations. Kleenair can provide a custom quenching system that is seamlessly integrated with your industrial furnace, with customized controls and automated material handling technology for fast and efficient heat-and-quench processing.

We can also provide custom automated material handling systems to improve productivity and operator safety. Our custom robotic manipulators will move your materials from one stage to the next, quickly, and efficiently. All with just one push of a button. Our automated material handling technology can transfer heated parts from the furnace to the quenching tank in 10 seconds or less.

Quenching Systems

Custom Industrial Furnace & Oven Beneficial Features

Kleenair Products is the industry’s foremost industrial furnace manufacturers and industrial oven manufacturers. We have been designing, engineering, manufacturing, and installing custom industrial furnaces and industrial ovens for more than 50 years. Kleenair has the experience and the expertise to create custom furnaces and ovens that deliver the performance that our customers’ processes require. Custom industrial oven and furnace advantages include:

  • Advanced Combustion Systems for Enhanced Temperature Uniformity
  • Premium Quality Door Components
  • Rugged Construction for Extended Working Life
  • State-of-the-Art Features for Exceptional Usability
  • Innovative Control Systems & HMIs

Automatic Material Handling Systems & Solutions

As your process requires, Kleenair Products can integrate automated material handling systems into your furnace or oven. We can develop custom-designed robotic manipulators that are tailored to your unique process requirements, or provide “standard” solutions from Siemens, Fanuc, and other industry-leading robotics OEMs.

Advantages of Robotic Material Handling Systems

Automatic material handling systems provide benefits that cannot be matched by manual systems labor. Some of the greatest advantages of robotic material handling systems, include:

  • Increased uptime
  • High levels of consistency
  • Faster production times
  • Decreased cycle times

Contact Kleenair Products for Custom Industrial Furnaces & Ovens Today

We are your expert industrial furnace manufacturers and industrial oven manufacturers. Turn to Kleenair for the design, engineering, manufacturing, and installation of a custom industrial furnace or oven that meets your application and performance requirements. To speak with someone directly, call  800-275-5152. You can also Request a quote or contact us to discuss your project today.

Industrial Heat Treat Furnace.
Tip-up batch furnaces, used by the aerospace industry in the heat treating of titanium and high nickel alloy forgings. Built in 1997, this automated system includes a quench tank in the floor, with a manipulator in front of each Furnace. Visit our photo gallery for more Industrial Furnace and Oven Material Process photos.

Tip Up Furnace, Manipulator and Quench Tank