During the Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo), held Jan. 25-27 at the Orange County Convention Center in Orlando, Fla., Optimum Energy LLC, a provider of HVAC software solutions, announced that HPAC Engineering Editorial Advisory Board member Tom Hartman, PE, will be partnering with the company to bring his HVAC design and control expertise to the company’s largest projects. more