Trinity Systems
  • Home
  • Services
    • Electrical Engineering
    • Building Commissioning
    • Smart Manufacturing
  • About Us
  • Recent Projects
  • Request Service
  • More
    • Home
    • Services
      • Electrical Engineering
      • Building Commissioning
      • Smart Manufacturing
    • About Us
    • Recent Projects
    • Request Service
Trinity Systems
  • Home
  • Services
    • Electrical Engineering
    • Building Commissioning
    • Smart Manufacturing
  • About Us
  • Recent Projects
  • Request Service

Building Commissioning

"What is Building Commissioning"?

  Building commissioning (Cx) is a systematic, quality-focused process for verifying that a building's systems—HVAC, lighting, plumbing, and electrical—are designed, installed, and tested to perform according to the owner’s requirements and design intent. It ensures operational efficiency, occupant comfort, safety, and energy savings.


Our commissioning process follows the industry’s best practices and aligns with guidance from **ASHRAE commissioning standards. We work collaboratively with owners, designers, and contractors to ensure building systems perform according to the Owner’s Project Requirements (OPR) and the Basis of Design (BOD). 

Pre-Design Phase

We work with the owner and design team to establish the project’s commissioning scope and performance goals. 

  • Assist in development of the Owner’s Project Requirements (OPR) 
  • Define commissioning scope and plan 
  • Identify systems to be commissioned 

Design Phase

During design, we review project documents to verify that systems meet the project’s operational goals. 

  • Review design drawings and specifications 
  • Confirm alignment with the OPR and Basis of Design (BOD) 
  • Provide commissioning specifications for inclusion in the construction documents 

Construction Phase

During construction, we verify that systems are installed correctly and prepared for testing. 

  • Submittal and shop drawing reviews 
  • Installation verification and site observations 
  • Development of pre-functional and functional testing procedures 
  • Coordination with contractors and project teams 

Functional Testing Phase

Building systems are tested under real operating conditions to verify performance. 

  • Functional performance testing 
  • Verification of system operation and control sequences 
  • Documentation of deficiencies and corrective actions 

Post Construction/Occupancy Phase

After systems are operational, we help ensure long-term building performance. 

  • Seasonal testing and performance verification 
  • Final commissioning report 
  • Training for facility operations personnel 

Commissioning Services Offered

Our commissioning services verify that building systems are designed, installed, and operating according to the Owner’s Project Requirements (OPR) and Basis of Design (BOD). Through structured reviews, testing, and validation, we help ensure reliable performance, energy efficiency, and long-term building operation. Our commissioning process aligns with industry standards including ASHRAE Guideline 0 and Standard 202. 

  • Whole Building Commissioning - Commissioning services for new construction, retro-commissioning, and recommissioning projects.

  • Commissioning Process Management - Oversight of commissioning activities throughout pre-design, design, construction, and occupancy phases.

  • Design and Submittals Reviews - Evaluation of construction documents and submittals to confirm alignment with OPR and BOD. 

  • Pre-Functional & Functional Testing - Systematic testing procedures to verify equipment installation and operational performance. 

  • System Performance Verification - Validation that building systems meet design intent and operational requirements. 

  • Post-Occupancy & Seasonal Testing - Follow-up testing to confirm system performance under varying operating conditions. 

  • Operational Assessments - Identification of performance gaps and recommended corrective actions. 

  • Systems Optimization -  Adjustments to improve operational efficiency and support program changes. 

  • Documentation & Training - Commissioning reports, system manuals, and training for facility operations staff. 

  • Energy & Performance Analysis - Energy audits, performance calculations, and efficiency recommendations. 

  • Energy Improvement Implementation - Support for implementing energy conservation measures and operational improvements. 

Trinity Systems Inc.

info@trinity-s.com ——— (562) 832-2689
Contact Us

Copyright © 2026 Trinity Systems - All Rights Reserved.