HVAC Services - Peterson Mechanical
Bay Area Plumbing & Mechanical Contractor Since 1915

Peterson Mechanical's 100+ Year Anniversary Logo

We are proud to have some of the most skilled technicians and installers in the industry.

hvac installation services

HVAC Installation and Repair for Sonoma, Marin & Napa

hvac maintenanceLocally owned and operated since 1915, Peterson Mechanical has earned a solid reputation as the go-to company for residential and commercial HVAC service in the Sonoma, Napa, and Marin counties. Whether you are in need of a new system design and installation, emergency repairs, or a full-service preventive maintenance program, you can rely on the Peterson team to provide the right solutions when you need them most.


As the home heating and air conditioning experts in the North Bay Area, Peterson is here to help you keep your residence cozy in winter, cool in summer, and comfortable all the days in-between.


Our commercial HVAC installation and repair services can help you create a comfortable environment for customers and employees while ensuring optimal performance and energy efficiency.


Peterson Mechanical provides dependable HVAC service in Sonoma, Napa, St. Helena, Calistoga, Healdsburg, Windsor, Santa Rosa, Rohnert Park, Petaluma, Novato, Sausalito, Tiburon, San Rafael, Mill Valley, Belvedere, Larkspur, Corte Madera, Greenbrae, San Anselmo, Kentfield, Ross, and everywhere in between.

Available 24 hours a day, 7 days a week, 365 days a year, Peterson Mechanical is ready to handle any situation. Contact us today to schedule an appointment with a knowledgeable HVAC service technician.

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