Top Rated Hvac Contractors Serving Larkspur, 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 Larkspur including 94939 and 94977. These heating and air conditioning experts provide thermostat installation and mini splits, and they also work on commercial air conditioning, heating and air conditioning. 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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Enviro Heating & Air Conditioning, Inc.

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Enviro Heating & Air Conditioning, Inc. installs, repairs, and maintains all types of HVAC equipment for residential and commercial clients in Sonoma,...
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Main Services

Heating & Air Conditioning
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Air Duct Cleaning
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Additional Services

HVAC Repair, Installation & Maintenance, Sheet Metal Fabrication

Coverage Areas

Sonoma County, Marin County, Napa County

Emergency 24/7
Emergency 24/7
Residential & Commercial
Residential & Commercial
Appointments Available
Appointments Available
Live Phone Call Answers
Live Phone Call Answers
Diamond Certified Video Profile
Heating & Air Conditioning - Enviro Heating & Air Conditioning, Inc. - Sonoma County
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Diamond Certified Company Report
Chris Street, President-Enviro Heating & Air Conditioning, Inc.
Chris Street, President
Expert Contributions
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  • 179
  • Rating Surveys
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  • 8
  • Photos
    & Videos
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  • 5
  • Researched Articles
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    Hours CLOSED NOW
    License:
    928565
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    Ongaro & Sons

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    Ongaro & Sons provides a complete range of plumbing services for residential and commercial clients in Sonoma and Marin Counties. In addition to servi...
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    Main Services

    Electrical Contractor
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    Plumbing
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    Heating & Air Conditioning
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    Additional Services

    Plumbing, Heating & Cooling Service, Electrical Service, Repair & Installation, Indoor Air Quality, Water Heater Repair & Replacement, Sewer Cleaning & Replacement

    Brands

    American Standard, Trane, Mitsubishi

    Coverage Areas

    Sonoma County, Marin County

    Family Owned
    Family Owned
    Established in 1932
    Established in 1932
    Residential & Commercial
    Residential & Commercial
    Mobile Services Available
    Mobile Services Available
    Diamond Certified Video Profile
    Electrical Contractor - Ongaro & Sons - Sonoma County
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    Ernie Ongaro, Co-owner-Ongaro & Sons
    Ernie Ongaro, Co-owner
    Expert Contributions
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    • 278
    • Rating Surveys
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    • 9
    • Photos
      & Videos
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    • 5
    • Researched Articles
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      Hours CLOSED NOW
      License:
      215233
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      Kelly Plumbing & Heating, Inc.

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      Kelly Plumbing & Heating, Inc. installs the latest technology in forced air furnaces, heat pumps and air conditioning systems for residents of Marin C...
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      Main Services

      Heating & Air Conditioning
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      Additional Services

      Central Heat Pump Systems, Forced Air Heating & Air Conditioning, Radiant Heat Boilers & Installations, Tankless & High Efficiency Water Heaters, Attic Fans, Air Duct Cleaning, Dryer Vent Cleaning, Duct Insulation, Heat Pump Water Heaters

      Brands

      Bradford White, Honeywell, Mitsubishi, Navien, Rinnai, Trane, Triangle Tube

      Coverage Areas

      Marin County, Sonoma County

      Family Owned
      Family Owned
      Residential Only
      Residential Only
      Appointments Available
      Appointments Available
      Live Phone Call Answers
      Live Phone Call Answers
      Diamond Certified Video Profile
      Heating & Air Conditioning - Kelly Plumbing & Heating, Inc. - Marin County
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      Diamond certified resource logo
      Diamond Certified Company Report
      Owners Jim and Anna Kelly are dedicated to customer service.-Kelly Plumbing & Heating, Inc.
      Owners Jim and Anna Kelly are dedicated to customer service.
      Expert Contributions
      ratings icon
      • 404
      • Rating Surveys
      video icon
      • 4
      • Photos
        & Videos
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      • 5
      • Researched Articles
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        861 Sweetser Avenue, Novato, CA 94945
        Hours CLOSED NOW
        License:
        688049
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        Hassler Heating & Air Conditioning, LLC

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        Hassler Heating & Air Conditioning, LLC is leading the way in California's electrification efforts, providing comprehensive HVAC services that include...
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        Main Services

        Heating & Air Conditioning
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        Home Energy Auditor
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        Additional Services

        Central Ducted Heat Pump, Ductless Mini-Split Heat Pump, Water Heater (Standard, Tankless, Heat Pump, Electric Resistance), Furnace, and A/C Installations and Repairs, Home Energy Assessments and Home Energy Score (HES) Assessments, Energy Upgrade Measures (Building Shell)

        Brands

        Bosch, Carrier, Mitsubishi, Navien, Rheem Water Heaters

        Coverage Areas

        Alameda County, Contra Costa County, Marin County

        Family Owned
        Family Owned
        Established in 1999
        Established in 1999
        Residential & Commercial
        Residential & Commercial
        Financing Available
        Financing Available
        Diamond Certified Video Profile
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        Diamond certified resource logo
        Diamond Certified Company Report
        Tim Hassler, General Manager-Hassler Heating & Air Conditioning, LLC
        Tim Hassler, General Manager
        Expert Contributions
        ratings icon
        • 288
        • Rating Surveys
        video icon
        • 30
        • Photos
          & Videos
        articles icon
        • 5
        • Researched Articles
          • Quick Connect
          Hours CLOSED NOW
          License:
          770180
          Learn how to choose a Heating & Air Conditioning and more…

          Diamond Certified Hvac Contractors Serve These Larkspur ZIP Codes

          94939, 94977

          Diamond Certified Hvac Contractors In Larkspur

          Diamond Certified hvac contractors serving Larkspur are rated an average of 4.6 out of 5 stars based on 2090 reviews of 77 rated hvac contractors.
          Diamond Certified hvac contractors in Larkspur Avg. Star Rating.

            Map of Larkspur, CA

            Larkspur was founded in 1887, and today, your 11,926 neighbors enjoy sunset watching, libraries, hiking, astronomy and bonfire gatherings. Larkspurians use Diamond Certified HVAC contractors for AC tune ups, HVAC replacement, HVAC upgrades, furnace repair, heating system installations, and more.

            Frequently Asked Questions for Heating & Air Conditioning in Larkspur, CA
            Q: What are clients of Diamond Certified hvac contractors saying about contractors in Larkspur, CA?
            A: Verified Enviro Heating & Air Conditioning, Inc. Customer, one of 179
            "They are pretty good. They are efficient." -Kevin L.
            All Survey Responses for Enviro Heating & Air Conditioning, Inc.
            Verified Kelly Plumbing & Heating, Inc. Customer, one of 350
            "They are very good but a little expensive. They do good work, they are fairly punctual, subcontract out a lot of stuff, but if you want it done well and quickly, go to them." -John C.
            All Survey Responses for Kelly Plumbing & Heating, Inc.
            Verified Ongaro & Sons Customer, one of 278
            "I don't know. They did a good job." -Sam R.
            All Survey Responses for Ongaro & Sons
            Verified Burkell Plumbing, Inc. Customer, one of 396
            "They are great. They just did a good job." -Robert T.
            All Survey Responses for Burkell Plumbing, Inc.
            Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with Larkspur residents?
            A: Diamond Certified hvac contractors use top-quality brands like Ruud, Daikin, Luxaire, Sanyo and Goodman.
            Q: What types of mini splits do hvac contractors offer?
            A: HVAC contractors typically offer four types of mini-split systems: ductless, single-zone, multi-zone, and inverter systems. Ductless systems are the most common, as they provide efficient heating and cooling through a single outdoor unit and up to four indoor units. Single-zone systems are ideal for smaller spaces and can heat and cool up to one room. Multi-zone systems are great for larger spaces, as they can heat and cool up to eight separate rooms. Lastly, inverter systems are the most energy-efficient, as they vary the speed of the compressor to maintain desired temperatures.
            Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get thermostat installation in Larkspur?
            A: Yes, Diamond Certified hvac contractors can work with Carrier products and similar items to provide thermostat installation in Larkspur.
            Q: What did people search for when they wanted to find the best quality hvac contractors in Larkspur?
            A: Mini Splits
            Air Conditioning
            Mini Splits
            Heating
            Indoor Air Quality

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