Boldt is principal and director engineering at KJWW Engineering, a 450-person engineering firm. He is a licensed professional engineer with over 30 years experience in mechanical and acoustical design. He is a voting member of ASHRAE’s 90.1 Energy Standard. On that committee, he chairs working groups dealing with health care, hydronics, elevators/escalators, duct system leakage, and drive efficiency. Boldt is an author of the Advanced Energy Design Guide (AEDG) for Small Health care Facilities, and the AEDG for Large Hospitals. He has served as project manager and mechanical design engineer on many award-winning projects; including the Agronomy Laboratory, which won the ASHRAE International Technology Award and was featured on the cover of the ASHRAE Journal. He is a member of ASHE, ICC, SFPE, the WHEA Code Committee, the Wisconsin Energy Conservation Code Council, and the Wisconsin Mechanical Code Council.