Top Rated Hvac Contractors Serving San Carlos, 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 San Carlos including 94070. These heating and air conditioning experts provide HVAC replacement and cooling system installations, and they also work on HVAC upgrades, commercial air conditioning and indoor air quality. 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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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 Company Report
Juan Sandoval, President-Carol Flynn, Inc.
Juan Sandoval, President
Expert Contributions
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  • 545
  • Rating Surveys
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  • 10
  • Photos
    & Videos
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  • 5
  • Researched Articles
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    Hours CLOSED NOW
    License:
    188751
    2 of 6

    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 Company Report
    Mike Rebholtz, General Manager-Alternative Heating & Air Conditioning Solutions, Inc.
    Mike Rebholtz, General Manager
    Expert Contributions
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    • 231
    • Rating Surveys
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    • 4
    • Photos
      & Videos
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    • 5
    • Researched Articles
      • Quick Connect
      Hours CLOSED NOW
      License:
      967878
      3 of 6

      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
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      Diamond certified resource logo
      Diamond Certified Company Report
      ratings icon
      • 203
      • Rating Surveys
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      • 6
      • Photos
        & Videos
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      • 5
      • Researched Articles
        • Quick Connect
        Hours CLOSED NOW
        License:
        842690
        4 of 6

        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
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        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
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        • 5
        • Researched Articles
          • Quick Connect
          Hours CLOSED NOW
          License:
          917996
          5 of 6

          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 resource logo
          Diamond Certified Company Report
          Rick Lazzarini, Owner-Degree HVAC, Inc.
          Rick Lazzarini, Owner
          Expert Contributions
          ratings icon
          • 260
          • Rating Surveys
          video icon
          • 25
          • Photos
            & Videos
          articles icon
          • 5
          • Researched Articles
            • Quick Connect
            Hours CLOSED NOW
            License:
            886908
            6 of 6

            Airstars Corp.

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            Airstars Corp. provides a variety of HVAC services for residential and commercial clients in San Mateo, Santa Clara, Contra Costa, and Alameda Countie...
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            Main Services

            Heating & Air Conditioning
            loarrowgo

            Additional Services

            HVAC Repair, Installation & Maintenance, Thermostat Calibration, Air Flow & Performance Testing

            Coverage Areas

            San Mateo County, Santa Clara County, Contra Costa County, Alameda County

            Diamond Certified Video Profile
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            Diamond certified resource logo
            Diamond Certified Company Report
            ratings icon
            • 18
            • Rating Surveys
            video icon
            • 0
            • Photos
              & Videos
            articles icon
            • 5
            • Researched Articles
              • Quick Connect
              Hours CLOSED NOW
              License:
              1118050
              Learn how to choose a Heating & Air Conditioning and more…

              Diamond Certified Hvac Contractors Serve These San Carlos ZIP Codes

              94070

              Diamond Certified Hvac Contractors In San Carlos

              Diamond Certified hvac contractors serving San Carlos are rated an average of 4.5 out of 5 stars based on 2219 reviews of 78 rated hvac contractors.
              Diamond Certified hvac contractors in San Carlos Avg. Star Rating.

                Map of San Carlos, CA

                San Carlos was founded in 1769, and today, your 30,874 neighbors enjoy beachcombing, bowling, outdoor festivals, bookstores and sunset watching. San Carlans use Diamond Certified HVAC contractors for ventilation systems, ductless heating and cooling systems, air conditioning, mini splits, heating system installations, and more.

                Frequently Asked Questions for Heating & Air Conditioning in San Carlos, CA
                Q: What are clients of Diamond Certified hvac contractors saying about contractors in San Carlos, CA?
                A: Verified Bayhill Heat & Air, Inc. Customer, one of 283
                "I would say that they're efficient. I liked that they came in, were very friendly, and got the job done." -Shoko B.
                All Survey Responses for Bayhill Heat & Air, Inc.
                Verified Degree HVAC, Inc. Customer, one of 242
                "They are highly qualified, and they show up on time to do what they say they are going to do. Their professionalism" -H.B.I.
                All Survey Responses for Degree HVAC, Inc.
                Verified Alternative Heating & Air Conditioning Solutions, Inc. Customer, one of 206
                "I happen to know Mike very well. I would recommend them. They got the job done that is the best anyone could say about a company." -Dick S.
                All Survey Responses for Alternative Heating & Air Conditioning Solutions, Inc.
                Verified Bayside Mechanical, Inc. Customer, one of 203
                "They were good. I thought they did a good job." -Carolyn B.
                All Survey Responses for Bayside Mechanical, Inc.
                Verified Carol Flynn, Inc. Customer, one of 545
                "They are very reliable and they know what they are doing. They are experienced and honest people." -Ivan C.
                All Survey Responses for Carol Flynn, Inc.
                Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with San Carlos residents?
                A: Diamond Certified hvac contractors use top-quality brands like Gree, Bryant, Luxaire, Sanyo and Mitsubishi Electric.
                Q: What types of ductless heating and cooling systems do hvac contractors offer?
                A: HVAC contractors offer a variety of commercial air conditioning services, including rooftop units, split systems, chillers, and VRF systems. Rooftop units are typically used for large buildings, as they are installed on the roof and provide an efficient way to cool multiple rooms. Split systems are ideal for small-to-medium businesses, as they are more cost-effective and are easily installed. Chillers are highly efficient and are suitable for large businesses with high cooling demands. Lastly, VRF systems are the most energy-efficient option, as they are able to precisely control the temperature of individual rooms.
                Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get HVAC replacement in San Carlos?
                A: Yes, Diamond Certified HVAC contractors can work with Carrier products and similar items for HVAC replacement in San Carlos.
                Q: What did people search for when they wanted to find the best quality hvac contractors in San Carlos?
                A: Water Heater Repair
                Indoor Air Quality
                Hvac Installation
                Heat Pump Repair
                Hvac Ductwork

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