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Minneapolis, MN

Donald Horkey



  • Energy Services
  • Engineering
  • K-12 Schools
  • Principal
Donald Horkey
  • Principal

Don is the Energy + Engineering Leader in the North Central Region and a key member of the firm's national building optimization team. He leads his team in delivering advanced system design and in-depth analysis of building performance.

"Integrated design is a collaborative process that empowers project stakeholders to implement the best solutions to resolve a client's problems." 

Since beginning his career in 1994, Don’s design of efficient and creative mechanical systems has earned him the respect of his peers and clients. He has reduced operations and maintenance costs for diverse facility types, including educational, commercial, health care and justice facilities. A recognized expert in the field of retro-commissioning, Don oversees retro-commissioning of more than three million square feet of space annually. 

He has contributed to several specialty publications and presented on best practices in engineering design, construction delivery methods, and high performance buildings. He is a member of the American Council of Engineering Companies (ACEC), the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), and the United States Green Buildings Council (USGBC).