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Ongaro & Sons

Ongaro & Sons are the only full-service heating, cooling AND plumbing experts to serve the San Francisco Bay Area. There are few companies who do it all, and even less who are capable of doing it all well. But Ongaro & Sons is a family owned and operated business known for quality equipment and quality service.

Ernest V. Ongaro first established the company in 1932, and it is now run by generations three and four of that same family. The company stands by their work and it shows, with the highest level of repeat customers and referrals in the Marin and Sonoma areas.

Employees even benefit from continuing education courses and specialized certification programs. Using the latest in technologies and Trane systems, Ongaro & Sons follows strict codes, manufacturer recommendations, and nationally practiced industry standards. The customer’s property and satisfaction are the top priority. Even extended part and labor warranties go beyond normal recommendations.

Why Choose Ongaro & Sons:

  • Family-owned and operated

  • Over 85 years in the heating, cooling and plumbing industry

  • Training and education for all employees

  • Flat-rate pricing

So, whether a new design is needed for heating, cooling or plumbing projects or it’s simple upgrades that need to be done, the skilled technicians at Ongaro & Sons full-service and family-owned business are ready for your call.



Schedule Appointment


Wells Fargo Financing


Santa Rosa, California 95407


NATE Certified
Charter Member