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Products

OUR PRODUCTS

Our products include new installations, retrofit solutions, and equipment enhancements for performance, reliability and accessibility.

HRSG

New Equipment, Assessment and Modification for GT Upgrade/Cycling, Harp Replacement & Upgrade, Cold End Corrosion Repair, Upgrade/Monitoring, Duct Burner Repair, Upgrade, High Energy Pipe System Analysis, Repair & Upgrade, Catalyst System Replacement and Upgrade, Header Replacement & Upgrade, Simple Cycle Conversion, Improved Accessibility for Inspection and Maintenance

OTSG

New OTSG, Process Assessment & Modification for Upgrade/Cycling, Coil Replacement & Upgrade, Cold End Corrosion Repair/Upgrade/Monitoring, Burner Repair/Upgrades, Tube Support Replacement & Upgrade, High Energy Pipe System Analysis, Repair & Upgrade, Catalyst System Replacement and Upgrade, Improved Accessibility for Inspection and Maintenance

SCR/SCCS

New Simple Cycle Catalyst System (SCCS) – AIG, Flow Control, Catalyst, Ammonia Storage & Vaporization, Ductwork and Stack

HRSG and Boiler Catalyst Retrofit, Steam Cycle Retirement

Solid Fuel Boilers

Analysis, Modification, Upgrade – Erosion, Emissions, Energy Recovery, Waterwall, Superheater, Economizer Tube Repair, Cold End Corrosion Repair, Upgrade, Duct & Structure Repair

Economizers

New Economizers, Economizer Replacements and Upgrades, Economizer Life Extension

Stacks & Bypass Systems

New Stack, Bypass Stack and Diverter, Stack Replacement and Upgrade, Cold End Corrosion Evaluation

Purge Air/Tempering Air Systems

New HRSG Purge Air System, Catalyst Tempering Air System, Purge/Tempering Air System Retrofit

Ductwork & Structures

New Ducts, Analysis and Modification, CFD, Pressure Part Lifting Devices, Platforms, Pressure Part Supports
William “Bill” Parnetta President TES Group Inc

William
Parnetta

President

Bill brings over 30 years of leadership in finance, business management, and strategic planning with a strong foundation in the construction and industrial services sector.  

At TES Group, Bill provides both strategic vision and tactical guidance, aligning the company’s growth initiatives with the evolving demands of the power and energy industry. His extensive experience ensures that TES delivers financially sound, reliable, and technically robust solutions to clients. 

Under his leadership, TES leverages decades ofconstruction‑sector expertise through itsaffiliate network , combining engineering, maintenance, and project delivery capabilities to meet complex industrial needs across North America.