Rodney V. Oathout, PE, CEM, LEED AP and Ruairi Barnwell, BEAP, HBDP, QCxP

How ASHRAE Standard 90.1 contributes to integrated design

ASHRAE Standard 90.1 is under continuous maintenance. This article focuses on the recent evolution of this standard, the impact on energy and performance, the design process, and how human interaction can improve energy efficiency.