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TRS, Thermal Resource Solutions, and SESCO®, Supermarket Environment Services Co. are HVAC and plumbing sales and C.E.M. services companies with headquarters in Kernersville, North Carolina.


TRS-SESCO became part of CoolSys in 2021. CoolSys is the parent company of the nation’s largest team of HVAC, refrigeration, engineering, and energy solutions businesses across North America, and is dedicated to providing premier solutions and superior quality to its customers with best-in-class service, technology, and exceptional value. This ensures our customers have access to the most advanced technology and resources while still receiving friendly, local customer service. Visit the website,, to learn more about our parent company.

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Thermal Resource Solutions


Supermarket Environment Services Co.