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GREEN CONSTRUCTION SERVICES LLC
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Services

Independent commissioning and QA/QC services supporting reliable, compliant, and efficient building system performance across a wide range of facility types.

Current service offerings

The following services are offered in-house or in close coordination with one of our many industry partners.

New Commissioning

Purpose:
Verify that building systems are installed, tested, and operate in accordance with the Contract Documents, Owner’s Project Requirements (OPR), and applicable commissioning standards.

Green Construction Services provides full construction-phase commissioning services for commercial, institutional, healthcare, government, and mission-critical facilities, including data centers and other high-reliability environments.

Typical scope includes:

  • Review of commissioning requirements, basis of design, and construction documents
  • Development of project-specific commissioning plans and procedures
  • Construction-phase site observations and coordination
  • Prefunctional and functional performance testing of MEP and control systems
  • Verification of test and balance (TAB), sequences of operation, and system interlocks
  • Integrated systems testing (as applicable)
  • Commissioning issues tracking, resolution verification, and documentation
  • Support for system turnover, training, and acceptance
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This service supports predictable startup, reduced risk, and documented system performance across all project types.
New construction commissioning services including design review, system testing, and final commissioning documentation to verify building performance.
 Typical New Commissioning Deliverables:
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  • Design phase:  OPR/BOD reviews, commissioning plan development, specification coordination.
  • Acceptance phase: Final verification, turnover support, system documentation review.
  • Post-occupancy: Deferred testing, performance verification after activation.

Existing building and retro-commissioning services focused on improving system performance, efficiency, and operational reliability.

Existing Building & Retro-Commissioning

Purpose:
Identify, document, and correct performance deficiencies in existing and occupied facilities.
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GCS provides retro-commissioning and re-commissioning services for operational facilities of all types, from commercial and institutional buildings to healthcare and mission-critical environments.

Typical scope includes:
  • Review of existing system documentation and operating conditions
  • Field investigation of system performance and control sequences
  • Functional testing of existing equipment and systems
  • Identification of deficiencies and improvement opportunities
  • Coordination with facility staff and service contractors
  • Documentation of findings, corrective actions, and verification results
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This service is well suited for underperforming buildings, operational changes, and lifecycle optimization.

Third-Party Commissioning Support & QA/QC

Purpose:
Provide independent technical oversight and quality verification during design and construction.

GCS offers third-party commissioning support and QA/QC services for owners, designers, and contractors seeking objective verification of system installation, readiness, and performance.

Typical scope includes:
  • Independent design and submittal reviews
  • Construction-phase site observations
  • Verification of equipment installation and startup readiness
  • TAB report review and field verification
  • Review of control sequences and system integration
  • Commissioning issues tracking and resolution verification
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This service enhances quality, accountability, and consistency across projects of any scale.
Third-party commissioning and QA/QC services providing independent verification of system installation, testing, and documentation.

Diagnostic and technical studies identifying system issues, operational deficiencies, and performance improvement opportunities.

Diagnostic & Technical Studies​

Purpose:
Perform targeted investigations to support commissioning, troubleshooting, and owner decision-making.
These services may be provided as standalone studies or in support of commissioning scopes across commercial, institutional, and industrial facilities.

Available studies include:
  • Indoor Air Quality (IAQ) assessments
  • Infrared thermography of electrical and mechanical systems
  • Electrical system performance investigations
  • Targeted system diagnostics and performance evaluations
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These studies support informed decisions and corrective action planning.

Markets Served

​Green Construction Services provides commissioning, retro-commissioning, and third-party QA/QC services across a wide range of building types. Our experience spans public, private, and mission-critical facilities, with services tailored to each market’s operational and regulatory requirements.
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Market sectors served include:
K-12 school commissioning services supporting public and private school districts with system performance verification.
K-12 Education

Government and public sector commissioning services for federal, state, and local facilities.
Government & Public Sector
Higher education commissioning services for colleges and universities, including academic and campus facilities.
Higher Education

Industrial and manufacturing commissioning services for warehouses, production facilities, and process systems.
Industrial & Manufacturing
Office building commissioning and QA/QC services for commercial and administrative facilities.
Office Buildings

Mission-critical and data center commissioning services focused on reliability, redundancy, and system performance.
Data Centers
Healthcare facility commissioning services supporting hospitals, clinics, and emergency department operations.
Healthcare

Aviation commissioning services for airport terminals, hangars, and mission-critical aviation support facilities.
Aviation
​​© 2026, Green Construction Services LLC. All rights reserved.
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