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, 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 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.