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    Old Redwood Heating and Cooling

    5.0 (6 reviews)
    Open 7:00 am - 5:00 pm

    Get pricing & availability

    Response time

    2 hours

    Response rate

    100%

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    Ask the Community - Old Redwood Heating and Cooling

    Castle Heating & Air

    Castle Heating & Air

    4.8
    (19 reviews)

    When our furnace was nearing end-of-life, we reached out to Castle for quotes on a replacement, a…read moreheat pump, and a dual fuel system, with some redesign of our duct work in the furnace room. We really wanted to go with a heat pump, but due to some circumstances that are unique to our house, we decided to go with a gas furnace replacement. We didn't make a decision right away, and Richard would check in with us on occasion, but wasn't pushy at all. Then, when our furnace gave out completely (in the middle of a cold snap in December), he was able to revise our quote quickly. We took three other bids; Castle's was the best on price and we liked their maintenance program, which we plan on purchasing. We also appreciated the time taken with us to answer questions and commit to a timely install. Key to decision was their proposal to a required change in furnace configuration and redesign / alteration of the ductwork. Even though we were in the midst of the holiday season, Castle committed to get the job done before Christmas, and did just that. The install team was professional and efficient, and a pleasure to work with. Thank you!

    There was a glitch after installation and the response was immediate. It turned out that an…read moreelectrician had come out after them and installed some faulty wiring. They diagnosed and repaired the problem quickly even though it had nothing to do with their install. We had three bids and their bid was excellent!

    Old Redwood Heating and Cooling - hvac - Updated August 2026

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