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Industrial Process Heating Systems

For all your direct and indirect heating needs.

Featured Products & Services

  • Pre-Engineered Thermal Fluid Systems (Gas Fired & Electric)
    Pre-Engineered Thermal Fluid Systems (Gas Fired & Electric)

    Industrial Process Heating Systems

    We want to show you where our real customer service and deep engineering knowledge comes from.

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  • Industrial Waste Heat Recovery Systems
    Industrial Waste Heat Recovery Systems

    Industrial Waste Heat Recovery Systems

    Using heat exchanger systems for industrial waste heat recovery is a simple method to enhance facility efficiency. With vast expertise in this field, Sigma Thermal collaborates with clients from diverse industries to develop innovative, profitable waste heat recovery solutions.

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  • Direct Fired Heaters
    Direct Fired Heaters

    Direct Fired Heaters

    Direct Fired Heaters are available in both convection and radiant convective heater styles. Both styles can be configured in various ways (depending on client requirements). Due to flexibility, nearly any style of the heater can be utilized to achieve a single or multi-style configuration.

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  • Process Bath Heaters
    Process Bath Heaters

    Process Bath Heaters

    Process Bath Heaters can heat various mediums safely. These heaters indirectly heat liquids and gases as the medium passes through process coils that are submerged into a bath solution for heating.

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  • Aftermarket Services
    Aftermarket Services

    Aftermarket Services

    Sigma Thermal offers a wide range of support services to aid all of your needs. Our team is here to help you find solutions to your operation, maintenance, safety, and regulatory requirements.

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Our Company

Inside Sigma Thermal

Watch our corporate video. Get an inside look at our manufacturing facility and meet the team behind our products and services. Whether you need new equipment, service, technical support, training, parts, or retrofits, Sigma Thermal has you covered.

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The Sigma Thermal Advantage

Our Customer Service

Meeting Your Expectations

At Sigma Thermal, the customer is at the center of everything that we do. Our team is constantly motivated by the sense of accomplishment we get from exceeding customer expectations and providing superior customer service.

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Resource Center

Our Blog

Understanding Thermal Fluids & Thermal Fluid Systems

Thermal Fluid Management • Advantages of Thermal Oil Heating Systems Types of Thermal Fluid Heaters • Work With Sigma Thermal The demand for process...

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How Direct Fired Heaters Are Used in Different Industries

Direct fired heaters create heat by burning oil, natural gas, or other fuels. The heaters have an insulated enclosure that uses the heat from...

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