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GREEN CONSTRUCTION SERVICES LLC
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About Us

Green Construction Services helps owners and project teams deliver buildings that perform as intended through expert commissioning, retro-commissioning, and QA/QC services across Texas and the United States.

​About Green Construction Services

Green Construction Services, LLC (GCS) is a Service-Disabled Veteran-Owned Small Business (SDVOSB) and Texas VetHUB-certified firm providing building commissioning, retro-commissioning, and third-party QA/QC services for public and private facilities across Texas.

​GCS supports owners, design teams, and contractors by verifying that mechanical, electrical, plumbing, and control systems are designed, installed, tested, and documented to perform as intended throughout the project lifecycle.

Leadership

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Sean Green, BCxP 

Green Construction Services is led by Sean Green, President and Commissioning Authority, who brings over 17 years of hands-on experience across mechanical systems, controls, and building commissioning for commercial, institutional, healthcare, government, and mission-critical facilities.
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Sean’s background combines technical field experience with disciplined project execution, enabling him to identify system performance gaps early, streamline functional testing, and support smooth project turnover.
Sean has led commissioning and QA/QC efforts on over 50 projects, supporting new construction, renovations, and existing building optimization. His experience spans the full project lifecycle, from design-phase reviews through construction verification, system acceptance, and post-occupancy performance validation.

His technical background includes direct involvement with:
  • Mechanical systems (chillers, boilers, air-handling units, terminal units, etc.)
  • Electrical systems (normal power, emergency power, standby generators, UPS where applicable)
  • Plumbing systems (domestic water, sanitary, specialty water systems)
  • Building automation and controls (BAS hardware, network integration, sequence verification)
  • Life safety support systems (interfaces affecting HVAC, power, and control operation)
  • Mission-critical and redundancy systems (where required for healthcare, data center, or aviation facilities)
  • Integrated system operation (cross-system coordination and functional performance verification)

This depth of experience enables GCS to deliver commissioning services that are practical, technically sound, and grounded in real-world building operations. This combination of hands-on systems knowledge and structured processes supports predictable building performance and smoother project delivery.

​Green Construction Services partners with owners and project teams seeking disciplined, technically grounded commissioning services. Whether supporting new construction, existing building performance improvements, or independent QA/QC oversight, GCS brings clarity, accountability, and results to every engagement.
​​© 2026, Green Construction Services LLC. All rights reserved.
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