Top Rated Hvac Contractors Serving Palo Alto, 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 Palo Alto including 94306, 94301, 94304, 94302 and 94309. These heating and air conditioning experts provide ductless heating and cooling systems and cooling system installations, and they also work on HVAC replacement, heating system installations and furnace 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 Sep 30, 2025
  • 148,521 people sourced companies in Heating & Air Conditioning
    16,331 Verified Heating & Air Conditioning Customers Surveyed
16331
148521
1 of 11

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 Company Report
Ricardo Valderrama, Owner-Bayhill Heat & Air, Inc.
Ricardo Valderrama, Owner
Expert Contributions
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  • 286
  • Rating Surveys
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  • 19
  • Photos
    & Videos
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  • 5
  • Researched Articles
    • Quick Connect
    Hours CLOSED NOW
    License:
    917996
    2 of 11

    Valley Heating, Cooling, Electrical and Solar

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    Valley Heating, Cooling, Electrical and Solar installs and services all brands of air conditioners, heat pumps, furnaces, fan coils, filtration system...
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    Main Services

    Heating & Air Conditioning
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    Additional Services

    Air Conditioning, Heating and ElectricalSolar System Installations, Electrification, Heat Pumps, Water Heaters, Solar System Installations, Duct Cleaning, Testing and Sealing, Dryer Vent Cleaning, Zoning Systems, Filtration, Fireplace Inserts, Residential and Light Commercial

    Brands

    Lennox, Mitsubishi, American Standard, Bryant, Carrier, Trane

    Coverage Areas

    Santa Clara County, San Mateo County, Parts of Santa Cruz County, Parts of Alameda County

    Family Owned
    Family Owned
    Established in 1962
    Established in 1962
    Special Discount
    Special Discount
    Residential & Commercial
    Residential & Commercial
    Diamond Certified Video Profile
    Heating & Air Conditioning - Valley Heating, Cooling, Electrical and Solar - Santa Clara County
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    Cindy Faulkner, Owner-Valley Heating, Cooling, Electrical and Solar
    Cindy Faulkner, Owner
    Expert Contributions
    ratings icon
    • 455
    • Rating Surveys
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    • 9
    • Photos
      & Videos
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    • 5
    • Researched Articles
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      Hours CLOSED NOW
      License:
      258540
      3 of 11

      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
      ratings icon
      • 231
      • Rating Surveys
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      • 4
      • Photos
        & Videos
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      • 5
      • Researched Articles
        • Quick Connect
        Hours CLOSED NOW
        License:
        967878
        4 of 11

        San Jose Heating & Cooling

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        San Jose Heating & Cooling installs and removes insulation, repairs and installs HVAC systems, cleans attics and crawl spaces, and provides other serv...
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        Main Services

        Insulation
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        Heating & Air Conditioning

        Additional Services

        Insulation Removal & Installation, HVAC Installation & Repair, Air Duct Repair & Replacement, Attic & Crawl Space Cleaning, Radiant Barriers

        Brands

        Carrier

        Coverage Areas

        Bay Area

        Established in 2018
        Established in 2018
        Residential Only
        Residential Only
        Free Estimates
        Free Estimates
        Coupon on Website
        Coupon on Website
        Diamond Certified Video Profile
        Insulation - San Jose Heating & Cooling - Bay Area
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        Diamond Certified Company Report
        Armando Garcia, Owner-San Jose Heating & Cooling
        Armando Garcia, Owner
        Expert Contributions
        ratings icon
        • 17
        • Rating Surveys
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        • 19
        • Photos
          & Videos
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        • 5
        • Researched Articles
          • Quick Connect
          Hours CLOSED NOW
          License:
          1060833
          5 of 11

          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
          ratings icon
          • 545
          • Rating Surveys
          video icon
          • 10
          • Photos
            & Videos
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          • 5
          • Researched Articles
            • Quick Connect
            Hours CLOSED NOW
            License:
            188751
            6 of 11

            Service Champions

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            Service Champions is a premier provider of home services in Northern California. The company's expertise includes heating, cooling, plumbing, electric...
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            Main Services

            Air Duct Cleaning
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            Heating & Air Conditioning
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            Air Quality - Indoor
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            Insulation
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            Additional Services

            Furnaces and Air Conditioners, Ductwork and Insulation, Electrical, Plumbing, Water Filtration, Air Filtration

            Coverage Areas

            East Bay, South Bay, Sacramento Areas

            Residential Only
            Residential Only
            Weekend Hours
            Weekend Hours
            Free Estimates
            Free Estimates
            Live Phone Call Answers
            Live Phone Call Answers
            Diamond Certified Video Profile
            Air Duct Cleaning - Service Champions - East Bay
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            Diamond Certified Company Report
            Kevin Comerford, Founder-Service Champions
            Kevin Comerford, Founder
            Expert Contributions
            ratings icon
            • 7174
            • Rating Surveys
            video icon
            • 33
            • Photos
              & Videos
            articles icon
            • 5
            • Researched Articles
              • Quick Connect
              Hours CLOSED NOW
              License:
              817040
              7 of 11

              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
              video icon
              • 6
              • Photos
                & Videos
              articles icon
              • 5
              • Researched Articles
                • Quick Connect
                Hours CLOSED NOW
                License:
                842690
                8 of 11

                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
                ratings icon
                • 260
                • Rating Surveys
                video icon
                • 25
                • Photos
                  & Videos
                articles icon
                • 5
                • Researched Articles
                  • Quick Connect
                  Hours CLOSED NOW
                  License:
                  886908
                  9 of 11

                  Air Sharks LLC

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                  Air Sharks LLC provides a wide range of HVAC services for residential clients throughout the South Bay. In addition to installing, repairing, and main...
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                  Main Services

                  Heating & Air Conditioning
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                  Additional Services

                  HVAC Installation, Maintenance & Repair, Heat Pumps, Ductwork Cleaning, Water Heater Maintenance, Repair & Replacement

                  Brands

                  Daikin, Goodman, Lennox

                  Coverage Areas

                  South Bay

                  Diamond Certified Video Profile
                  Heating & Air Conditioning - Air Sharks LLC - South Bay
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                  Diamond Certified Company Report
                  Khaled Alsaka, Owner-Air Sharks LLC
                  Khaled Alsaka, Owner
                  Expert Contributions
                  ratings icon
                  • 88
                  • Rating Surveys
                  video icon
                  • 8
                  • Photos
                    & Videos
                  articles icon
                  • 5
                  • Researched Articles
                    • Quick Connect
                    Hours CLOSED NOW
                    License:
                    1100692
                    10 of 11

                    Air Quality Heating & Air Conditioning

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                    Air Quality Heating & Air Conditioning installs, repairs, and maintains high-efficiency HVAC systems for residential and light commercial clients in S...
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                    Main Services

                    Heating & Air Conditioning
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                    Additional Services

                    Installation of Furnaces & Air Conditioners, Repairs on All Makes & Models, Allergen Filters, Maintenance Agreements, New Construction & Remodeling

                    Coverage Areas

                    Santa Clara County, San Mateo County

                    Residential Only
                    Residential Only
                    Mobile Services Available
                    Mobile Services Available
                    Free Estimates
                    Free Estimates
                    Appointments Available
                    Appointments Available
                    Diamond Certified Video Profile
                    Heating & Air Conditioning - Air Quality Heating & Air Conditioning - Santa Clara County
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                    Diamond Certified Company Report
                    Matthew Farber, Owner-Air Quality Heating & Air Conditioning
                    Matthew Farber, Owner
                    Expert Contributions
                    ratings icon
                    • 658
                    • Rating Surveys
                    video icon
                    • 19
                    • Photos
                      & Videos
                    articles icon
                    • 5
                    • Researched Articles
                      • Quick Connect
                      Hours CLOSED NOW
                      License:
                      769446
                      11 of 11

                      Air Care Heating & Cooling, Inc.

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                      Air Care Heating & Cooling, Inc. provides a variety of services that are designed to improve indoor air quality for residential and commercial clients...
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                      Main Services

                      Heating & Air Conditioning
                      loarrowgo

                      Additional Services

                      HVAC Maintenance, Installation & Repair, Duct Inspections, Indoor Air Quality

                      Brands

                      Bryant, Mitsubishi

                      Coverage Areas

                      Santa Clara County, Milpitas, San Jose, Sunnyvale, Santa Clara, Mountain View, Palo Alto, Cupertino, Los Altos, Gilroy

                      Family Owned
                      Family Owned
                      Established in 2014
                      Established in 2014
                      Residential & Commercial
                      Residential & Commercial
                      Appointments Available
                      Appointments Available
                      Diamond Certified Video Profile
                      Heating & Air Conditioning - Air Care Heating & Cooling, Inc. - Santa Clara County
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                      Diamond certified resource logo
                      Diamond Certified Company Report
                      Joey Mangano, Owner-Air Care Heating & Cooling, Inc.
                      Joey Mangano, Owner
                      Expert Contributions
                      ratings icon
                      • 109
                      • Rating Surveys
                      video icon
                      • 19
                      • Photos
                        & Videos
                      articles icon
                      • 5
                      • Researched Articles
                        • Quick Connect
                        Hours CLOSED NOW
                        License:
                        984584
                        Learn how to choose a Heating & Air Conditioning and more…

                        Diamond Certified Hvac Contractors Serve These Palo Alto ZIP Codes

                        94306, 94301, 94304, 94302, 94309

                        Diamond Certified Hvac Contractors In Palo Alto

                        Diamond Certified hvac contractors serving Palo Alto are rated an average of 4.5 out of 5 stars based on 6612 reviews of 79 rated hvac contractors.
                        Diamond Certified hvac contractors in Palo Alto Avg. Star Rating.

                          Map of Palo Alto, CA

                          Palo Alto was founded in 1894, and today, your 67,077 neighbors enjoy sunbathing, jogging, book clubs, hot tubbing and vineyard tours. Palo Altans use Diamond Certified HVAC contractors for water heater repair, heating, cooling system installations, mini splits, AC tune ups, and more.

                          Frequently Asked Questions for Heating & Air Conditioning in Palo Alto, CA
                          Q: What are clients of Diamond Certified hvac contractors saying about contractors in Palo Alto, CA?
                          A: Verified Air Quality Heating & Air Conditioning, Inc. Customer, one of 608
                          "They are great and convenient. Just the security of having my heating and air conditioning throughout the year" -John M.
                          All Survey Responses for Air Quality Heating & Air Conditioning, Inc.
                          Verified Air Care Heating & Cooling, Inc. Customer, one of 84
                          "Just that they were professional and courteous and they worked quickly. We had a problem and the owner himself came back to fix it." -Stacey P.
                          All Survey Responses for Air Care Heating & Cooling, Inc.
                          Verified Valley Heating, Cooling, Electrical and Solar Customer, one of 405
                          "Very professional They are friendly and informative." -Sylvia M.
                          All Survey Responses for Valley Heating, Cooling, Electrical and Solar
                          Verified Service Champions Customer, one of 2575
                          "It has generally been good and I have had a few service things to take care of. The prompt response for when they did the work for us" -Michael K.
                          All Survey Responses for Service Champions
                          Verified Bayhill Heat & Air, Inc. Customer, one of 283
                          "Use them. They are trustworthy." -William K.
                          All Survey Responses for Bayhill Heat & Air, Inc.
                          Verified Certified Heating and Air Conditioning Customer, one of 213
                          "They were prompt, easy to get ahold of to schedule, and they did a good job. When they came out to do the assessment of the situation, they didn't try to extract more money than was needed to repair the problem. " -Joanne J.
                          All Survey Responses for Certified Heating and Air Conditioning
                          Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with Palo Alto residents?
                          A: Diamond Certified hvac contractors use top-quality brands like Rheem, Napoleon, Panasonic, Ruud and Amana.
                          Q: What types of air conditioning do hvac contractors offer?
                          A: HVAC contractors specialize in a wide range of heating system installations, from gas-fired furnaces, boilers, and heat pumps to ductless mini-splits, geothermal systems, and radiant heating systems. They are also able to install a combination of different systems, creating a hybrid system that can produce the most efficient and cost-effective heating solution for your home. The contractor can also assist with the selection of the right heating system for your home, taking into account your location, budget, and any other relevant factors, and provide expert advice on the best way to install it.
                          Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get ductless heating and cooling systems in Palo Alto?
                          A: Yes, Diamond Certified hvac contractors can work with Carrier products and similar items to provide ductless heating and cooling systems in Palo Alto.
                          Q: What did people search for when they wanted to find the best quality hvac contractors in Palo Alto?
                          A: Heating
                          Furnace Repair
                          Ac Tune Ups
                          Heating System Installations
                          Hvac Installation

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