Typical applications

Wood Fired Thermal Oil Heating Systems

Pelletizing - Wood Pellets

Laminating Press

Multi-Opening Press

Continuous Press

Multi-Zone Dryer

Log Thawing Pond

Building/Plant Heat - Make Up Air

Steam Generator

Various Heat Exchangers

Tank Heating

Sigma Thermal is a leader in providing modern Bio Mass-fired energy systems and related equipment to the forest products industry. Providing complete package systems including: Design, Engineering, Manufacturing, Installation services, Supplies, and Equipment service, backed by decades of energy experience in the forest industry.

The Sigma Thermal furnace is the most effective design for complete combustion of waste materials with low heating value, high moisture content, and high ash content. Our design allows for finite combustion control, minimizing emissions and utilizing a large range of different waste fuels, with varying characteristics (i.e. chemical composition, fuel size, and moisture content).

Every system we engineer is designed to meet our customer's specific circumstances. We understand that no two systems are identical, and we stand by our equipment and your process throughout its life.

  • Biomass Fired Combustion Systems

    The Sigma Thermal combustion system is designed for complete combustion control. Fuel feed rate, Primary combustion control, Secondary combustion control, temperature, multiple reciprocating grate sections... read more »

  • Dust Collection and Ash Handling

    A clean process and Emission controls are vital in any modern biomass combustion system. read more »

  • Fuel Handling System

    Sigma Thermal offers a complete fuel feed package to support your furnace. Engineered to be as complete and turn-key as possible, the conveyors and fuel bins are designed to work specifically with your furnace to deliver exactly... read more »

  • Waste Heat Recovery Systems

    With the high cost and environmental impact of fossil fuels, heat energy is a precious commodity that cannot be wasted. Whether your available energy is created purposely for local use, or you have a stream of energy from an inefficient process already in place. read more »

  • Biomass Control Systems

    PLC Control Logic.
    Fully automated system controls for your heating process. The importance of a total system, in which every peice works with the next is of the utmost importanct. We design an overall package to ensure maintenance minimums and operational longevity. A central operating system allows your operator control from a single interface. read more »