Reviews for Hammer's Heating & Air Conditioning

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  • August 2025

    Hammer's Heating and Air Conditioning, was a great experience from beginning to end! I contracted Hammer's to install a new hvac system in my home. The quality of the hvac components provided, coupled with Mike's installation and professionalism cannot be beat, all at a great price point. Everything went extremely well, even when he encountered those problems that inevitably come up with an aging home, Mike was able to handle them with ease. Mike was extremely knowledgeable and helpful. If you need help with an hvac issue, Hammer's hvac is the company to call. 10++ I could not be more satisfied! Thanks Mike!
    Dave B.

  • August 2025

    Hammer Heating and Air is exceptional! Their service is top-notch from start to finish. I live in Los Altos Hills, and recently, my second-floor air conditioning was not producing cold air. After a previous company serviced my units, I thought the issue was resolved. However, it persisted, so I checked Nextdoor for recommendations. Finding a provider my neighbors used I set up an appointment. While the technician identified a faulty low-pressure sensor, he strongly urged me to replace my air conditioner instead of attempting a repair. He also said he could not work with my compressor brand and quoted $9,500 for duct replacement. When he could not locate the necessary... read full review

  • December 2024

    Mike and Hammer's Heating provided an excellent, highly skilled furnace replacement for our home. Mike's communication was excellent, thorough and consistent throughout the process, and the turn around time he was able to provide was above and beyond what I expected - and weeks sooner than what another estimate could provide (for the same price).
    Thank you Mike for all of your great work, I know who to call if I ever have HVAC issues in the future!

  • Hammer's Heating & Air Conditioning

    280 Crestview Ave, Martinez

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