Peterson Mechanical Sonoma CA

Business Overview

Peterson Mechanical is a licensed mechanical contractor based in Sonoma, CA. The company serves both homes and businesses across the North Bay. Its service department is available 24/7 for urgent HVAC needs. Daytime hours are Monday through Friday, 7:30 AM to 4:30 PM.

Technicians handle routine maintenance, repairs, and full installations. Staff includes long-term journeymen, sheet metal fabricators, and project managers. Work is done for single-family homes, multi-family housing, wineries, hospitals, schools, and commercial buildings.

Key Services

• HVAC: Installation or replacement of furnaces, heat pumps, and commercial rooftop units. Fast repairs and seasonal tune-ups.
• Plumbing: Inspections, installations, and full system replacements. Water pipe installation for new builds and renovations.
• Mechanical & Fabrication: Custom sheet metal work, preconstruction planning, and BIM/3D CAD coordination.
• Service Contracts: Planned maintenance for medical centers, wineries, schools, and offices.

Areas Served

Peterson Mechanical serves Sonoma and many nearby communities across the North Bay. Common service towns include:

• Healdsburg, Sonoma, Cloverdale, Roseland
• Calistoga, Guerneville, Glen Ellen, Yountville
• Glen Ellen, Graton, Occidental, Bodega Bay
• Hidden Valley Lake, Angwin, Middletown, Middletown, Sea Ranch
• El Verano, Camp Meeker, Cobb, Temelec, Inverness

Clients often mention quick responses for homes in the valley and HVAC work for winery tasting rooms and office buildings.

Company History

The firm began in 1915 in Sonoma. Ed Peterson started the business, and his nephew Rich later ran it. Today Les Peterson leads the company with his son Scott and nephew Zach. That long history includes work on hospitals, biotech sites, and wineries across the North Coast.

Peterson Mechanical grew from small plumbing jobs to full mechanical contracting. It offers design-assist work, plan-and-spec projects, and use of 3D CAD and CAM tools to coordinate installations on larger sites.

Leadership

Leadership stays local and hands-on. Les Peterson brings decades of trade and project experience. Scott and Zach work in the field and in project coordination. The family presence helps keep projects aligned with local building styles and the Bay Area climate.

Specialties & Highlights

• Over 100 years of continuous service in the North Bay.
• 24/7 emergency HVAC response for homes and businesses.
• Experience with healthcare, education, manufacturing, and winery projects.
• On-site sheet metal fabrication and BIM/3D CAD use for smoother installs.

Why Locals Choose Peterson Mechanical

Peterson Mechanical Sonoma CA is chosen for steady, predictable work and deep local knowledge. The team understands Sonoma County weather — cool coastal mornings and warm inland afternoons — and how that affects heating and cooling needs. Homeowners trust the company for plumbing work in older vineyard homes and for mechanical systems at tasting rooms and clinics.

People value the long family history, trade experience, and the company's ability to handle both small repairs and large projects. That mix of local roots and technical skill is the reason many in Sonoma call for HVAC or plumbing help.