15000 Inc. is a consulting engineering firm, located in Santa Rosa, and specializing in HVAC, Plumbing, Fire Protection and Green Building Engineering and Design. We serve all of the North Bay including Sonoma County, Mendocino County, Lake County as well as the San Francisco Bay Area. 15000 Inc. is a leader in sustainable design. The firm is a member of the U.S. Green Building Council (USGBC)....