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During COVID-19, We Are Offering Remote Support Services

Industrial Process Heating Systems

For all your direct and indirect heating needs.

Featured Products & Services

  • Remote Support Services
    Remote Support Services

    Remote Support Services

    Sigma Thermal wants to help you ensure the safety and reliability of your operations during the COVID-19 pandemic. We are providing remote support to help prevent unplanned downtime.

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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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  • Thermal Fluid Systems (Fired & Electric)
    Thermal Fluid Systems (Fired & Electric)

    Thermal Fluid Systems (Fired & Electric)

    Thermal Fluid Systems includes two standard types: HC-1 and HC-2. We also offer a range of customized solutions that incorporate custom engineered thermal fluid heaters along with complete systems, parts and ongoing support.

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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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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.

The Sigma Thermal Advantage
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Resources 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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The Benefits of Retrofitting Process Heating Systems

At Sigma Thermal, we offer a wide range of industrial retrofit and upgrade services for process heating systems. Without proper planning and execution, the...

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