San Anselmo, CA

Ongaro & Sons

HVAC, plumbing, and electrical services for Marin, Sonoma, and Napa counties.

4.8 (763) · Source: Google

About Ongaro & Sons in San Anselmo, CA

Ongaro & Sons has provided HVAC, plumbing, and electrical services in Northern California since 1932. Based in San Anselmo, the family-owned company handles everything from duct cleaning and A/C repairs to boiler maintenance and electrical inspections. The team holds NATE certification for HVAC work and holds Mitsubishi Diamond Contractor Elite status, placing them in the top 3% of installers nationwide. The business has earned a BBB A+ Rating, Diamond Certification, and a spot in the Best of Marin Hall of Fame. Clients appreciate the upfront pricing and the longevity of the work, which is backed by a satisfaction guarantee. Ongaro & Sons serves homeowners and businesses across Marin, Sonoma, and Napa counties.

Air duct cleaning services Ongaro & Sons offers

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Questions about Ongaro & Sons

What areas does Ongaro & Sons serve?
Ongaro & Sons serves San Anselmo, Fairfax, Kentfield, Mill Valley, Novato, Napa, Sonoma, and nearby communities in Marin and Sonoma counties.
Are the technicians certified?
Yes, the HVAC technicians are NATE-certified. The company is also a Mitsubishi Diamond Contractor Elite and a Trane Comfort Specialist.
How do I schedule a service?
You can request a free quote online to schedule duct cleaning, HVAC maintenance, or other services.
Does the business offer guarantees?
Ongaro & Sons backs its work with a satisfaction guarantee and offers upfront pricing for repairs and installations.

Guide

The $49 Air Duct Cleaning Special, Explained

Areas near San Anselmo that Ongaro & Sons serves

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How many HVAC systems?
Home size

Typical: $250–$1,000 per HVAC system — a 2-system home often runs $800–$1,000. Estimate only — your quote may differ.

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Prefer to call? (415) 634-3654

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