Peterson Mechanical: Sonoma's Trusted HVAC & Plumbing Experts Since 1915

For over a century, Peterson Mechanical has been the go-to name for heating, cooling, and plumbing in Sonoma, CA, and across the North Bay. This family-run business offers reliable mechanical services for homes and commercial buildings. They understand the local climate—from warm valley summers to cool nights—and how it affects your comfort systems. Their team is available 24/7 for emergencies, so you're never left without heat or air conditioning.

Business Overview

Peterson Mechanical in Sonoma, CA, is a full-service mechanical contractor. They handle both residential and commercial projects, from small home repairs to large installations for hospitals and wineries. With a dedicated staff of trained technicians, they provide installation, repair, and maintenance. The company focuses on lasting solutions, not quick fixes.

Key Services for Homeowners and Businesses

Whether you live in an old Victorian in Sonoma or run a modern office in Santa Rosa, Peterson Mechanical helps with common needs:

• HVAC Services: Installation or replacement of heating and air conditioning systems, plus repairs to keep them running smoothly.
• Plumbing Services: Inspection, installation, or replacement of pipes and fixtures, including water pipe installation.

They work on all types of systems, ensuring efficiency and reliability.

Areas Served Across the North Bay

Peterson Mechanical serves a wide area, including Santa Rosa, Vallejo, Napa, Petaluma, Novato, and many more communities. They know local housing styles, from historic buildings in Sonoma to newer developments in Rohnert Park. This local knowledge helps them recommend the right solutions for your home or business.

Company History: A Family Legacy

Founded in 1915 in Sonoma by Ed Peterson, the business has stayed in the family for three generations. Ed's nephew, Rich Peterson, later ran it, and today, Rich's son Les Peterson leads the company with his son Scott and nephew Zach. They've grown from a small local shop to a trusted contractor for major North Coast projects.

Leadership and Local Presence

The Petersons are deeply rooted in the community. They live and work in the area, supporting local schools, wineries, and businesses. Their hands-on approach means they're involved in every project, bringing personal attention to each job.

Specialties & Highlights

• Over 100 Years of Service: Few companies can match this longevity in Sonoma, CA.
• Advanced Technology: They use 3D CAD and BIM for precise planning and efficient project delivery.
• Broad Market Expertise: Experience with medical facilities, schools, wineries, and office buildings.
• Custom Fabrication: In-house sheet metal fabrication for tailored solutions.
• 24/7 Emergency Service: Always available for urgent heating, cooling, or plumbing issues.

Why Locals Choose Peterson Mechanical

Residents and businesses in Sonoma, CA, turn to Peterson Mechanical for their reliability and quality. The company's long-standing presence means they've built trust over generations. They focus on doing the job right, using proven methods and modern tools. When you need HVAC or plumbing help, Peterson Mechanical delivers consistent, professional service that stands the test of time.