Process Heating Systems, Automation, Services, & Parts for Industry

Sigma Thermal designs, engineers, supplies, and services all types of industrial process heating systems and associated automation. Because every project is unique, our application engineers will listen and understand your process demands to help you select the right equipment for your application. We feel that truly understanding the customer’s process is the key to supplying a system that consistently exceeds expectations.

Waste Heat Recovery

Any exhaust gas stream with temperatures above 250°F has the potential for significant waste heat recovery. Consumers of waste heat energy can be found in almost any facility and are easy to locate.

Thermal Fluid Systems

Thermal fluid heating is a type of indirect heating in which a liquid phase heat transfer medium is heated and circulated to one or more heat energy users within a closed loop system. Thermal oil, glycol, and water are common heat transfer mediums.

Direct Fired Heaters

A direct fired heater is a style of heater in which a burner provides hot gasses that transfer their heat energy to a process liquid or gas flowing directly through coils installed inside the heater vessel. 

Biomass Energy Systems

Sigma Thermal is a leader in providing modern Biomass-fired energy systems and related equipment for industrial clients worldwide. We provide complete package systems including: Design, Engineering, Manufacturing, Automation, Installation supervision, Parts, and Equipment service, backed by decades of energy experience.

Process Bath Heaters

Process bath heaters allow a user to indirectly heat process liquids and gasses by submersing a process coil into a heated bath solution. Sigma Thermal engineers 3 types of process bath heaters: Water Bath Heaters, Salt Bath Heaters and Weir Bath Heaters.

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