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US CA Sonoma County Petaluma HVAC Engineers

Ongaro & Sons

HVAC Engineers

Updated on May 20, 2026

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Address: 719 Southpoint Blvd, Petaluma, CA 94954
Main Phone: 707-683-8928
Ongaro & Sons, trusted since 1932, delivers expert heating, cooling, plumbing, electrical, and solar services in Northern California, proudly serving Sonoma County, Marin County, and Napa County. Our licensed technicians specialize in HVAC repair and installation (air conditioning, furnaces, heat pumps, ductless systems), water heater replacement, drain cleaning, sewer services, electrical panel upgrades, whole home generators, EV charging stations, and solar energy system installation. Family owned, licensed, bonded and insured, with a 100% Satisfaction Guarantee. We offer energy efficient upgrades, indoor air quality solutions, maintenance plans, financing options, and guidance on federal, state, and local rebates to help you save.
Business Hours: 24/7
Payment options: Cash, Personal Check, Visa, Mastercard, American Express, Discover, Debit, Financing Available
Opening date: 1932
Languages spoken: English, Spanish
Tagline: Trusted home services since 1932.
Image for Ongaro & Sons with ID of: 7048807
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Ongaro & Sons

719 Southpoint Blvd PETALUMA, CA 94954

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