McHenry "Mack" Wallace, Jr., P.E., LEED® AP
McHenry "Mack" Wallace, Jr. has been a mechanical contractor, consulting engineer, and a registered engineer in Texas for over 30 years. Mack is heavily involved on the front lines of the energy conservation industry, having served the past 19 years on the ASHRAE Standard 90.1 Committee. Mack was the engineer of record for many award-winning projects, including the Historic Preservation of the Texas State Capitol Building. Mack was director of design build services for TXU Energy and responsible for developing and guaranteeing the savings on many energy savings projects. He has trained thousands of engineers and architects world-wide on ASHRAE 90.1, and he is the co-author of Significant Changes to International Energy Conservation Code and ANSI/ASHRAE/IES Standard 90.1. Currently, Mack splits his time between Jacobs and his own company, WiseWatt LLP.