Customer Support


Sigma Thermal offers a wide range of aftermarket support services for your process heating needs. Our team is available to help you find solutions to your operation, maintenance, safety, and regulatory requirements. We value your business and want to help you succeed.

How Can We Help? 

NOTE:  We offer full service and support for GTS Energy & Flaretec equipment too. These brands are a part of the Sigma Thermal family

Technical Support System Analysis
Replacement Parts Inspection / Audit
Schedule Maintenance Upgrades / Modifications
Need Assistance?
You can fill out the
customer service contact form on this page or call us at one of our regional office locations. If you have an issue that you believe to be warranty related, please click here.

Thank you for being a valued customer!  
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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 Blog

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