Sigma Engineering : Mechanical Engineering Consultants in Sacramento, California specializing in HVAC, Plumbing, and Fire Protection Engineering

We're Green - We work towards making the world a better place through smart engineering

Our Work - We've completed hundreds of HVAC, Plumbing, and Fire Protection projects. Check out our work.

Our Services - Learn about our mechanical engineering services that can help you achieve your project goals

Our Team - Leverage over 55 years of HVAC, Plumbing, Fire Protection experience to make your project a success

Our Business SIGMA Engineering is a full service Mechanical Engineering/Consulting located in Sacramento, California. Founded in 1997, we are licensed to practice engineering in California, Nevada, and Oregon, and maintain general and professional liability insurance. more...