Peterson Mechanical provides mechanical construction services to the greater San Francisco Bay Area. Our work includes HVAC installations, plumbing systems, process piping and commercial refrigeration. Weve met the specialized needs of laboratories, tech buildings, wineries, hospitals and high rises. Founded in 1915 in Sonoma, CA, where were still headquartered, Peterson has always adopted the most recent technologies. Our engineers use the latest 3D drafting (CAD), computer-aided manufacturing (CAM) and building information modeling (BIM) systems. Our team of professionals can work with a client from initial planning to project completion. To learn how design-build and design-assist can increase the efficiency of a project, visit our showcase page at right. Were also continuing our century-long tradition of installing, maintaining and repairing home heating and cooling systems. Follow the link at right for details on our residential HVAC service. We also invite you to contact us through our website or by phone at (707) 938-8481.