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Philip Phongsak, PE, technical manager

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Bachelor of Science, Mechanical Engineering, University of California, Riverside


Philip Phongsak is a Technical Manager at Partner Energy with more than 10 years of professional experience managing energy efficiency projects, and HVAC and plumbing design projects. His expertise includes energy audits, energy modeling and analysis, HVAC and plumbing design, Mechanical Electrical Plumbing (MEP) focused Property Condition Assessment (PCA) reports, benchmarking and customized energy analysis projects.

Philip has managed more than 500 projects around the country, for multifamily and commercial-industrial properties under programs from HUD, LIHTC and CTCAC, utility rebate programs, and agency green lending through Fannie Mae and Freddie Mac. He has acted as the verifying Licensed Professional (LP) for over 150 ENERGY STAR applications.

Prior to Partner Energy, Philip was an associate engineer specializing in HVAC and plumbing design, CAD drafting, system layouts, sizing equipment, and energy analyses using AutoCAD and EnergyPro. As a Project Coordinator for an international manufacturing company, Philip managed a team of CAD drafters in Asia and Mexico while managing residential projects and supporting engineering design development.


  • Certified Energy Manager (CEM)
  • Professional Engineer, Mechanical, California