About Us - Peterson Mechanical Inc.
Bay Area Plumbing & Mechanical Contractor Since 1915

Peterson Mechanical's 100+ Year Anniversary Logo

With a century of experience, Peterson has what it takes to provide complete customer satisfaction

HVAC & Mechanical Services Since 1915

When you have been in business as long as we have, you learn a thing or two about what really counts.

Whether we’re handling a multi-million dollar design-build mechanical project or installing a home heating and air conditioning system, everything we do at Peterson Mechanical Inc. is to ensure the satisfaction of our customers.


Operating 24/7, our HVAC service department is a team of highly trained technicians. We install, repair, and maintain HVAC and mechanical systems for homes and businesses throughout the North Bay Area.


Peterson’s mechanical construction team consists of engineers, CAD drafting personnel, project managers, estimators, fabricators, and technicians. We have extensive experience in all types of mechanical systems, including HVACprocess pipingplumbing, and refrigeration.


By using the latest 3D drafting (CAD) and building information modeling (BIM) technologies, we ensure the most effective solutions to our customers’ challenges.


Peterson works with customers to stay within their budgets. We keep costs low and efficiency high by engaging in economical practices like pre-planning, just-in-time delivery (JIT), pre-fabrication, and lean construction.


Through the years, we have had the honor of collaborating with some of the most respected organizations in the industry.

  • US Green Building Council
  • MCAA
  • LCI-Lean Construction Institute
  • Sheet Metal Workers International Association
  • United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of The United States
San Francisco Bay Area Mechanical Engineering Affiliations

Quality & Safety from Design to Build

Our full-service HVAC company has perfected high-quality mechanical engineering projects under strict safety guidelines in the following sectors:

Proud to Serve Northern California Since 1915

  • Contra Costa County
  • Marin County
  • Napa County
  • San Francisco County
  • Solano County
  • Sonoma County

Since 1915, Peterson Mechanical Inc. has been setting mechanical construction industry standards for workmanship, integrity, and customer service in the San Francisco Bay Area. We provide plumbing, piping and HVAC installation for Bay Area commercial and office buildings, hospitals, laboratories, universities, wineries, kitchens and more. Peterson Mechanical Inc. serves a wide variety of market sectors including Healthcare, Technology, Education, Office Space, Hospitality, Winery, High Rise and Low Rise Residential. Our service department is also available 24/7 for all of your commercial and residential heating and air conditioning needs.