Shai Shaul is the Director of Commissioning services at SIG. Shai has over 17 years of experience in building commissioning, designing HVAC mechanical systems, ASHRAE energy audits, and energy modeling.

His portfolio includes office buildings, laboratories, residential high-rise, hotels, retail, restaurants, and net-zero energy projects. Shai specializes in commissioning complex MEP systems for LEED and CA T24 compliance and performing engineering calculations for various energy efficiency measures.

He also has experience in reviewing equipment sizing, equipment selections calculations, cost estimates, value engineering, mechanical systems, due-diligence reports and energy analysis.


Shai has a Bachelor of Science in Mechanical Engineering Degree from San Francisco State University and has the following licenses and certifications:

  • Professional Engineer (PE) – California
  • Certified Building Commissioning Professional (CBCP)
  • Certified Energy Manager (CEM)
  • LEED AP Building Design & Construction (BD+C)

Shai has extensive experience managing new construction commissioning and retro-commissioning projects. Shai worked on many building types including office, mixed-use, schools, universities, laboratories, hospitals, warehouses, manufacturing facilities and cogeneration plants.


Due to his personal path in the engineering world, Shai is a great believer in sharing and acquiring knowledge. One of Shai’s passions is teaching and making sure that the next generation of engineers is well versed and has a solid foundation of knowledge to build upon. This passion does not stem from personal recognition and appreciation, but instead, it is driven to create the next generation of mentors and future industry subject matter experts.

Personal interests include soccer, tennis, and ping pong.


  • Energy modeling and design can coexist in their interactions.
  • Demystify the different components and types of commissioning in the marketplace.
  • Tips to excel in both fundamental commissioning and retro commissioning to optimize those systems.
  • The critical role mentorships play in shaping the knowledge and to the next generation in the industry.
  • An inside look at what a director of commissioning auditor looks for in projects.
  • Recommendations for unfamiliar systems and credentials not usually achieved to understand opportunities to save energy, how energy is being spent, drawn from the grid, and what calculations come with it.
  • Learn what is going to push companies and cities to the next level in efficiency.

Get the episode transcript here!!


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