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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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Boiler MACT Compliance: Annual Testing and Burner Tuning

The EPA’s Maximum Available Control Technology (MACT), the emission standard for sources of air pollution, sets forth specific guidelines mandating the maximum possible reduction...


Sigma Thermal Partners with ElectraTherm for Next Generation Emission Reduction System Plus Power

Integrated Waste Gas to Power Solution (MARIETTA, GA., – August 29, 2018) – Sigma Thermal is pleased to announce their partnership with ElectraTherm to offer a...