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

Peterson Mechanical's 100+ Year Anniversary Logo

Our service technicians are always patient, courteous, and happy to answer any questions you may have.

Residential HVAC Repair and Installation

Peace of mind—it’s the reason so many homeowners choose Peterson Mechanical to install, repair, and maintain their home heating and air conditioning (HVAC) systems. Serving the Sonoma, Marin, and Napa counties since 1915, Peterson builds customer relationships with Santa Rosa HVAC and related services founded on the highest levels of professionalism and workmanship.


Carrier Residential Authorized HVAC DealerOur HVAC service capabilities range from heating and air conditioning equipment installation to maintenance and repair.

  • Maintenance programs
  • Central heating & air conditioning
  • Wall furnaces
  • VRF (variable refrigerant flow) systems
  • Heat pumps
  • Custom sheet metal
  • Custom gutters
  • Custom flashing
  • Exhaust fans


  • Excellent Availability: Heating and air conditioning repairs can be needed at any time, the Peterson team stands ready to deliver prompt, friendly service.
  • Fast Response Time: When it comes to residential HVAC service, quick response time is essential. Our GPS dispatch technology allows us to send the closest technician to your home using the best possible route.
  • Respect for Your Property: Your home is your sanctuary. We promise to treat it with respect and take every possible measure to leave your home as clean as we found it.


Entrust your home’s HVAC system to professionals who are committed to keeping you and your family comfortable year round. Learn more about Peterson’s residential heating and air conditioning services in the Sonoma, Marin, and Napa counties; or request a free estimate. Contact us today.

Free Estimate

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

Peterson Mechanical is a top-rated air conditioning and heating company serving Sonoma, Napa, and Marin counties. Services include central heating and air conditioning, wall furnaces, heat pumps, maintenance programs and more. Peterson Mechanical is a Sonoma-based mechanical contractor and provides pre-construction, pre-fabrication, custom fabrication, design/build and plan/spec. solutions for San Francisco, Oakland, Sonoma, Napa and the surrounding areas.