For close to a century, Peterson Mechanical has been providing Heating and Cooling Systems for Commercial and Residential Customers both here in Sonoma, California, and all across the North Bay.

While times and technology have changed dramatically, our commitment to our clients has not. We believe in good old fashioned values to insure complete customer satisfaction.

Besides 24/7 Service, we also offer Free Installation Estimates.

Please call 707 938-8481 or email Peterson Mechanical if you have an HVAC need, day or night.

In the meantime, may you enjoy discovering more about us from our website!


Steel work is completed at future
Sutter Hospital in Santa Rosa

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Serving the San Francisco Bay Area Since 1915

Peterson's Installation team is very professional. From start to finish, this was a great experience. Every single person, starting with the estimator, really knew his stuff."

-CG 1/12/11

From Render

To Reality


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