Sigma Thermal designs, engineers, supplies, and services process heating systems for multiple industries. 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 support services.

Our staff is comprised of dedicated and experienced industry veterans who will learn about your application to provide solutions specific to your project needs. Whether you need a standard packaged heater, a highly engineered process heating system, a tune-up of your current system, or servicing for another brand of heater, our Engineers and Technicians have the knowledge and experience to make your project a success.

Sigma Thermal is 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 they are tightly held by all Sigma Thermal employees today.