Thomas Messner
Service Department Manager & Project Manager
Thomas brings over 25 years of hands-on experience in the HVAC industry. He holds certifications from EPA, Mitsubishi, Daikin, Samsung, and LG, ensuring expertise in a range of advanced HVAC systems. Throughout his career, Thomas has successfully managed a diverse portfolio of projects, including Mills College Student Housing, UC Berkeley Student Housing, Moffett Field Refueling Hangar, Via Hotel San Francisco, Canopy by Hilton San Francisco, and Freemark Abbey in Napa.
A native of Anaconda, Montana, Thomas was raised in Salt Lake City and Denver, Colorado, before moving to the Bay Area in 1974, where he has lived ever since. His professional journey began as a certified auto mechanic, later expanding into construction trades such as plumbing, carpentry, and high-end natural stone work before transitioning into HVAC. His mechanical aptitude and love for hands-on work made HVAC a natural fit, allowing him to take on dynamic projects and experience a variety of job sites.
What Thomas finds most rewarding about working at Kevin M. Sullivan & Associates is the opportunity to tackle complex challenges across a wide range of projects while collaborating with a talented and diverse team. His passion for problem-solving and craftsmanship extends beyond his career—outside of work, he enjoys spending time with family, working on stained-glass projects, and crafting in his fully equipped garage.