Top Rated Hvac Contractors Serving Half Moon Bay, CA

If you really care about choosing a quality hvac contractor, we’re here for you. Here’s your access to the best hvac contractors serving Half Moon Bay including 94019. These heating and air conditioning experts provide air filtration and indoor air quality, and they also work on HVAC upgrades, HVAC ductwork and water heater repair. For 22 years we’ve conducted the most accurate ratings and deepest research of local contractors, so you’ll be confident in choosing.

  • Last Updated Dec 05, 2025
  • 148,521 people sourced companies in Heating & Air Conditioning
    16,331 Verified Heating & Air Conditioning Customers Surveyed
16331
148521
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Degree HVAC, Inc.

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Degree HVAC, Inc. provides a wide range of HVAC and plumbing services for residential, commercial, and industrial clients throughout San Mateo County....
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Main Services

Heating & Air Conditioning
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Additional Services

Indoor Air Quality, HVAC Maintenance, Installation & Repairs, Plumbing Maintenance, Installation & Repairs

Brands

Carrier Factory Authorized Dealer

Coverage Areas

San Mateo County

Established in 2005
Established in 2005
Residential & Commercial
Residential & Commercial
Appointments Available
Appointments Available
Live Phone Call Answers
Live Phone Call Answers
Diamond Certified Video Profile
Heating & Air Conditioning - Degree HVAC, Inc. - San Mateo County
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Diamond Certified Company Report
Rick Lazzarini, Owner-Degree HVAC, Inc.
Rick Lazzarini, Owner
Expert Contributions
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  • 260
  • Rating Surveys
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  • 25
  • Photos
    & Videos
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  • 5
  • Researched Articles
    • Quick Connect
    Hours CLOSED NOW
    License:
    886908
    2 of 5

    Carol Flynn, Inc.

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    Carol Flynn, Inc. installs Carrier furnaces and air conditioners as a Carrier Factory Authorized Dealer. The company maintains, repairs, and cleans al...
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    Main Services

    Heating & Air Conditioning
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    Air Duct Cleaning
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    Additional Services

    Service, Repair, Installation, Furnace Installations, Air Conditioning, Sheet Metal Work

    Brands

    Carrier Factory Authorized Dealer

    Coverage Areas

    The Bay Area

    Established in 1954
    Established in 1954
    Residential & Commercial
    Residential & Commercial
    Free Estimates
    Free Estimates
    Coupon on Website
    Coupon on Website
    Diamond Certified Video Profile
    Heating & Air Conditioning - Carol Flynn, Inc. - The Bay Area
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    Diamond certified resource logo
    Diamond Certified Company Report
    Juan Sandoval, President-Carol Flynn, Inc.
    Juan Sandoval, President
    Expert Contributions
    ratings icon
    • 545
    • Rating Surveys
    video icon
    • 10
    • Photos
      & Videos
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    • 5
    • Researched Articles
      • Quick Connect
      Hours CLOSED NOW
      License:
      188751
      3 of 5

      Alternative Heating & Air Conditioning Solutions, Inc.

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      Alternative Heating & Air Conditioning Solutions, Inc. installs a variety of products that achieve optimum energy efficiency. The company is an active...
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      Main Services

      Heating & Air Conditioning
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      Additional Services

      HVAC System Design, Installation and Upgrades, Heat Pumps, Ductless Split Systems, Custom Duct Work, Service and Scheduled Maintenance

      Brands

      Mitsubishi, Trane, Daikin, Carrier, Bryant

      Coverage Areas

      San Mateo County, San Francisco, Santa Clara County, Alameda County

      Family Owned
      Family Owned
      Established in 2011
      Established in 2011
      Residential & Commercial
      Residential & Commercial
      Free Quotes & Consultations
      Free Quotes & Consultations
      Diamond Certified Video Profile
      Heating & Air Conditioning - Alternative Heating & Air Conditioning Solutions, Inc. - San Mateo County
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      Diamond certified resource logo
      Diamond Certified Company Report
      Mike Rebholtz, General Manager-Alternative Heating & Air Conditioning Solutions, Inc.
      Mike Rebholtz, General Manager
      Expert Contributions
      ratings icon
      • 231
      • Rating Surveys
      video icon
      • 4
      • Photos
        & Videos
      articles icon
      • 5
      • Researched Articles
        • Quick Connect
        Hours CLOSED NOW
        License:
        967878
        4 of 5

        Bayside Mechanical, Inc.

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        Bayside Mechanical, Inc. provides sheet metal work and heating, ventilating, and air conditioning (HVAC) installation services for residenti...
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        Main Services

        Heating & Air Conditioning
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        Additional Services

        Heating, Air Conditioning

        Brands

        Lennox, Mitsubishi, Amana, Bryant, Carrier, Ares, First Air, Goodman, Sterling

        Coverage Areas

        The Bay Area

        Established in 2004
        Established in 2004
        Residential & Commercial
        Residential & Commercial
        Appointments Available
        Appointments Available
        Live Phone Call Answers
        Live Phone Call Answers
        Diamond Certified Video Profile
        logo
        Diamond certified resource logo
        Diamond Certified Company Report
        ratings icon
        • 203
        • Rating Surveys
        video icon
        • 6
        • Photos
          & Videos
        articles icon
        • 5
        • Researched Articles
          • Quick Connect
          Hours CLOSED NOW
          License:
          842690
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          Bayhill Heat & Air, Inc.

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          Bayhill Heat & Air, Inc. is an HVAC (heating, ventilating and air conditioning) contractor that serves homeowners in San Mateo, Santa Clara, Alameda a...
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          Main Services

          Heating & Air Conditioning
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          Additional Services

          Same-Day Service, Equipment Retrofit & Replacement, Installation & Replacement, Duct Installation & Replacement, Relocation, Free In-Home Estimates, Residential, Light Commercial

          Brands

          Carrier

          Coverage Areas

          San Mateo County, Santa Clara County, Alameda County, Part of San Francisco

          Established in 1981
          Established in 1981
          Residential & Commercial
          Residential & Commercial
          Same-Day Service
          Same-Day Service
          Free Estimates
          Free Estimates
          Diamond Certified Video Profile
          Heating & Air Conditioning - Bayhill Heat & Air, Inc. - San Mateo County
          youtube
          Diamond certified resource logo
          Diamond Certified Company Report
          Ricardo Valderrama, Owner-Bayhill Heat & Air, Inc.
          Ricardo Valderrama, Owner
          Expert Contributions
          ratings icon
          • 286
          • Rating Surveys
          video icon
          • 19
          • Photos
            & Videos
          articles icon
          • 5
          • Researched Articles
            • Quick Connect
            Hours CLOSED NOW
            License:
            917996
            Learn how to choose a Heating & Air Conditioning and more…

            Diamond Certified Hvac Contractors Serve These Half Moon Bay ZIP Codes

            94019

            Diamond Certified Hvac Contractors In Half Moon Bay

            Diamond Certified hvac contractors serving Half Moon Bay are rated an average of 4.5 out of 5 stars based on 2038 reviews of 78 rated hvac contractors.
            Diamond Certified hvac contractors in Half Moon Bay Avg. Star Rating.

              Map of Half Moon Bay, CA

              Half Moon Bay was founded in 1869, and today, your 11,324 neighbors enjoy astronomy, escape rooms, spa treatments, disc golfing and crabbing. Half Moon Bayers use Diamond Certified HVAC contractors for HVAC upgrades, heating system installations, ductless heating and cooling systems, commercial air conditioning, HVAC maintenance plans, and more.

              Frequently Asked Questions for Heating & Air Conditioning in Half Moon Bay, CA
              Q: What are clients of Diamond Certified hvac contractors saying about contractors in Half Moon Bay, CA?
              A: Verified Carol Flynn, Inc. Customer, one of 545
              "They are professional and they do a very nice job. They are professional, very detail oriented, and knowledgeable." -Ali M.
              All Survey Responses for Carol Flynn, Inc.
              Verified Alternative Heating & Air Conditioning Solutions, Inc. Customer, one of 206
              "They did their job. They did their job and it was smooth." -Allan B.
              All Survey Responses for Alternative Heating & Air Conditioning Solutions, Inc.
              Verified Degree HVAC, Inc. Customer, one of 242
              "They are friendly and do a really good job. They are always friendly with everyone." -Jenny W.
              All Survey Responses for Degree HVAC, Inc.
              Verified Bayhill Heat & Air, Inc. Customer, one of 283
              "They came out and fixed a heating unit in one of my rentals. They do a fast job and have the knowledge about the equipment. That is impressive. They really do know what they are doing. I would use them again and am happy to pass on the recommendation. I liked that they found a problem that not too many technicians would have found and they made the changes. I liked that they were so knowledgeable and had the expertise they had to know what to look for, what to check and what to do." -Daniel S.
              All Survey Responses for Bayhill Heat & Air, Inc.
              Verified Bayside Mechanical, Inc. Customer, one of 203
              "I would recommend them. They are reliable. They are courteous and efficient." -Chantal F.
              All Survey Responses for Bayside Mechanical, Inc.
              Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with Half Moon Bay residents?
              A: Diamond Certified hvac contractors use top-quality brands like Fujitsu, Tempstar, Armstrong Air, Carrier and Napoleon.
              Q: What types of cooling system installations do hvac contractors offer?
              A: HVAC contractors typically offer repairs for all types of water heaters, including tankless, gas, and electric models. Repairs may include checking and replacing thermostats, resetting the temperature control, flushing sediment from the tank, inspecting water supply lines, and replacing faulty parts. In some cases, the contractor may even be able to recommend a replacement water heater if the existing one is beyond repair.
              Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get air filtration in Half Moon Bay?
              A: Yes, Diamond Certified HVAC contractors can work with Carrier products and similar items to get air filtration in Half Moon Bay.
              Q: What did people search for when they wanted to find the best quality hvac contractors in Half Moon Bay?
              A: Hvac Maintenance Plans
              Mini Splits
              Hvac Ductwork
              Indoor Air Quality
              Air Filtration

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