John Pruett has worked on a wide variety of projects, including educational (PK-12 and Higher Education), commercial, retail, natatoriums, military, and government facilities. One of his projects, Huntington East Middle School, received an ASHRAE Technology Award for energy and water conservation.

John is a registered Professional Engineer in West Virginia, Virginia, Ohio, Indiana, Louisiana, Maryland, and Illinois.

He is a member of the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE), ASHRAE Technical Committee (TC) 4.7 - Building Energy Modeling, the ASHRAE 90.1 Standing Standard Project Committee, and the ASHRAE 209 Standard Project Committee. John has been active on TC 4.7 for more than 15 years which identifies, evaluates, develops, and recommends procedures for calculating energy performance for the built environment. He was previously the handbook chair and is currently the committee chair of TC 4.7.

John received a Bachelor of Science in Mechanical Engineering from Purdue University and served in the United States Marine Corps for 14 years. John and his wife, Christina, reside in Scott Depot, West Virginia with their three sons.