Sigma Thermal designs, engineers, supplies, and services fired heating systems for industry. Our products include thermal oil and thermal fluid heating systems, indirect process bath heaters, and direct fired process heaters. Our staff is comprised of dedicated and experienced industry veterans that are ready to understand your application and specific 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 have the knowledge and experience to make your project a success.

Sigma Thermal is a privately held Georgia corporation founded by Jeff Ackel and Jason Beville: two experienced process heating system engineers. The company was 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 today, and are tightly held by all Sigma Thermal employees.

Sigma Thermal Management Team

Jason A. Beville President

Bachelor of Mechanical Engineering – Auburn University. 12 years direct experience in process heating system engineering, design, and overall operations management.

Eric M. Dessecker Executive Vice President

Bachelor of Chemical Engineering – Akron University. 24 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. 10 years of direct experience in process heating system engineering, sales, and project management.

John C. Brunson P.E. Chief Engineer

Bachelor of Mechanical Engineering – Georgia Institute of Technology. Registered Professional Engineer (Georgia & Alaska) with 15 years of direct experience in mechanical and process design of fired heaters, furnaces, deaerators, and other misc. heat processing equipment.

Tony L. Brookshire Service Manager

15 years of direct experience in commissioning, servicing, repairing, retrofitting, and controls design for fired heating systems.