About Sigma Thermal

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Sigma Thermal designs, engineers, supplies, and services process heating systems for industry. Our products include thermal oil and thermal fluid heating systems, indirect process bath heaters, electric process heaters, biomass fired energy systems, direct fired process heaters, system automation, parts, retrofits/upgrades, and supporting services. Our staff is comprised of dedicated and experienced industry veterans who are prepared to learn about your application and provide solutions specific to your project needs. Whether you need a standard package heater, a highly engineered process heating system, or just a tune up on your current system, our Engineers and Technicians have the knowledge and experience to make your project a success.

Sigma Thermal is a privately held Georgia corporation founded on the belief that exceptionally deep engineering knowledge, applied practical field experience, and real customer service are the keys to successful system design and project execution. These principles form the underlying framework for our company and are tightly held by all Sigma Thermal employees.

Sigma Thermal Facilities

When you choose Sigma Thermal, you reap the added benefits of using a supplier with integrated full-service facilities that include engineering offices, fabrication facility, panel shop, warehouse space, and outdoor work area. For most projects (schedule permitting) we can design, manufacture, assemble, and test a complete scope of supply entirely in our facility.

Our 10-acre campus is located on Deen Road in Marietta, Georgia. Within the campus, approximately 15,000 square feet of work and design space is appropriated for Sigma Thermal’s engineering offices. We also maintain a 40,000 square foot fabrication facility that includes a 36’ under hook, 50 tons of lifting capacity in bay #1 and 60 tons of capacity in bay #2. In addition, we have 40,000 square feet of outdoor work area, laydown, and storage. Other operations on our campus include a 5,000 square foot warehouse and a 1,500 square foot UL Listed Panel Shop.

We welcome and encourage existing or potential customers to come visit us in person. Please give us a call to schedule a tour. We’re proud of where we work and would be happy to show you around.

  • 10 acre campus
  • 15,000 sq. ft. Engineering Office
  • 5,000 sq. ft. Warehouse
  • 1,500 sq. ft. UL Listed Panel Shop
  • 40,000 sq. ft. Fabrication Facility
  • 36’ under hook
  • 50 tons lifting capacity in bay 1
  • 60 tons lifting capacity in bay 2
  • 40,000 sq. ft. outdoor work area, laydown, and storage
About Sigma Thermal About Sigma Thermal About Sigma Thermal

Sigma Thermal Executive Management Team

Jason A. Beville

President & COO

Bachelor of Mechanical Engineering – Auburn University. 20 years direct experience in process heating system engineering, design, and overall operations management.

Eric M. Dessecker

Executive VP & Biomass Systems Manager

Bachelor of Chemical Engineering – The University of Akron. 32 years of direct experience in process heating system engineering, bio-mass combustion system engineering, sales, and executive management.

Jeffrey S. Ackel

CEO & Director of Business Development

Bachelor of Mechanical Engineering – Auburn University. 18 years of direct experience in process heating system engineering, sales, and project management.

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