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    Napa Valley Backflow Testing & Repair

    3.7 (12 reviews)
    Closed 9:00 am - 5:00 pm

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    Response time

    1 day

    Response rate

    100%

    Services - Napa Valley Backflow Testing & Repair

    Plumbing inspection

    Plumbing installation or replacement

    Plumbing repair

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    11 months ago

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    Amber P.

    It was a pleasure to help you, we will see you next year!

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    11 months ago

    Responsive and quick to schedule service. They installed our Backflow system and continue to maintain service each year. Highly recommended.

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    Amber P.

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    1 year ago

    thank you Amber for providing a great service. Your professionalism and courtesy are awesome!!

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    Amber P.

    I appreciate your feed back, always a pleasure working with you

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    11 months ago

    No answer after several phone calls over a couple of weeks .......... .. . . No callback .... perhaps out of business ..

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    2 years ago

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    Amber P.

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    5 years ago

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    10 years ago

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    Amber P.

    Thank you. Happy to have you as a customer

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    9 years ago

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    Amber P.

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    8 years ago

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    Amber P.

    Thank you Denise for your great review! We appreciate it greatly.

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    10 years ago

    Great Company. Reliable and super friendly service guy. Amber was very pleasant. Coming back next year.

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    9 years ago

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    Amber P.

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    10 years ago

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    Amber P.

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    Ongaro & Sons

    Ongaro & Sons

    4.1
    (502 reviews)

    It's a pleasure to write this review for my favorite HVAC/boiler technician. His name is Gino B…read moreand he is with Ongaro & Sons. Gino is friendly, smart, thorough, professional and truly understands the technical ins and outs of heating systems -- and have a technically challenging hydronic boiler. Gino takes the time to explain the problem simply and clearly. I always understand what needs to be done and what it will cost. Gino is a pleasure to work with, and when he leaves, everything works perfectly. If you're looking for a superior HVAC Pro, Gino is your man.

    We were having intermittent power issues in our home in Windsor. We called PG&E who verified that…read morevoltage coming from their transformer was within range. He recommended we call an Electrician. I didn't know any so I headed for Yelp. I contacted two with good reviews and they discovered a scary arcing issue in the breaker box. We ended up hiring Ongaro & Sons and felt calmer the minute I called. Jeanne in the office was so professional and helpful. She set up a site visit right away. When Corbin arrived, his confidence, his abilities, and knowledge were impressive. He understood exactly what the cause was and the solution. Unfortunately, the remedy was a replacement panel $$$. We agreed. He knew about a recent change in PG&E's "Green Book" that would allow our panel to be installed in the original footprint but he explained that the new system would need to be grounded to water and gas. He immediately contacted PG&E and Town of Windsor to start permits and scheduling. Chad and Alex showed up on Monday morning at 7:30, ready to go. They professionally prepared the site for PG&E to turn off the power and then they got to work on removing all of the breakers and installing the new set of Eaton breakers. They used the crawl space under the house to run the grounding wiring and the work was completed by early afternoon. They left the site clean and did an excellent job of making a new wood frame for the panel. Alex showed us everything that he had done and it was an awesome sight to see after multiple days of worrying about the arcing issue turning into something very serious. Thank you Ongaro! Highly recommend!

    Napa Valley Backflow Testing & Repair - backflowservices - Updated July 2026

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