Senior Technical Advisor
Senior Technical Advisor


Hayden Reeve joined PNNL in 2018 as part of the Electricity Infrastructure and Buildings division. Prior to joining PNNL he worked at United Technologies Research Center as an associate director. He has more than fifteen years of experience assessing and developing advanced technology solutions for building, renewable, and aerospace energy systems. Most recently this has focused on the development of advanced building control strategies, fault detection and diagnostics technologies, and investigation of distributed energy resources for improved grid flexibility. His work has a strong emphasis on demonstrating these building energy reduction technologies in real-world environments, including extensive experience with field demonstrations both in North America and at global sites. 

Research Interest

  • Advanced analytics, controls, and diagnostics for the built environment
  • Distributed energy resources for grid flexibility


  • PhD in Mechanical Engineering, University of Washington
  • MS in Mechanical Engineering, University of Washington
  • BE in Mechanical Engineering, University of Canterbury

Affiliations and Professional Service

  • Member of American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

Awards and Recognitions

  • Outstanding Achievement Award for Building Auto-Commissioning Tool, United Technologies Research Center (2017) 
  • Best Paper Award, Heat Transfer Division, American Society of Mechanical Engineers (2003)


  • Five issued United States patents