Offering Comprehensive Quality Assurance and Quality Control 

We offer owners and contractors a comprehensive 3rd party commissioning process to help projects achieve owner requirements, design intent, and optimal performance. Our experts provide design review, verification and testing, transition to occupancy planning, and building audits. Our focus on Quality Assurance enables early issue detection to reduce unexpected costs and minimize delays during project closeout.

Our commissioining services include: 

  • New construction and existing building commissioning 
  • Field verification and testing 
  • Seattle building tune-ups
  • Coming soon: WA State HB1257 compliance assistance

The commissioning process focuses on verifying and documenting that a facility and all its systems and assemblies are designed, installed, balanced, and programmed to meet Owner's Project Requirements (OPR) energy goals, energy codes, and standard accepted practice.  The commissioning we provide is a quality driven process with the main goal of enhancing the delivery of a project and includes comprehensive Quality Assurance and Quality Control (QA/QC). 

Our commissioning services cover:

  • Development of owner project requirements (OPR)
  • Basis of design (BOD), specifications, and submittal review
  • HVAC and Lighting 
  • Hot water heating
  • Metering systems
  • Solar PVRS (Photovoltaic Rooftop Systems) 

Standards and rating systems include:

  • Washington State and Seattle Energy Codes
  • ASHRAE Standard 202
  • LEED® New Construction Rating System
  • LEED v4.1 O+M 
  • Seattle Building Tune-up Ordinance (OSE Directors Rule 2016-01)
  • Building Commissioning Association Best Practices guidelines


O’Brien360’s commissioning and field-testing team is laser-focused on closing the gap between as-designed and as-built performance.  We work closely with project teams to ensure we capture project performance goals during design and verify achievement in the field throughout construction, turnover, and operation. Our depth and breadth of expertise along with a proven commitment to actual project outcomes drive greater value to the owner, the occupants, and the community.


I always know when I phone your office, 


there will be someone who can help me. Your team support is unprecedented."



– Economic Specialist, City of Kirkland –