Mike O’Brien, PE, CEM, CCP, LEED AP BD+C

Mechanical Engineer

Southern Technical Institute


Mr. O’Brien has comprehensive field and design experience, specializing in commissioning, design and installation of HVAC, DDC, plumbing, fire protection, electrical, low voltage, and building envelope systems. He rejoined Heery in June 2012 as an expert in commissioning and HVAC system design and evaluation. In 2017 he joined Spencer Bristol Engineering as the Director of Mechanical Engineering.