Top Rated Hvac Contractors Serving Alamo, 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 Alamo including 94507. These heating and air conditioning experts provide HVAC upgrades and heating system installations, and they also work on water heater repair, energy-efficient HVAC and HVAC ductwork. 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
1 of 6

Service Champions

hidden

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

Main Services

Air Duct Cleaning
loarrowgo
Heating & Air Conditioning
loarrowgo
Air Quality - Indoor
loarrowgo
Insulation
loarrowgo

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
youtube
Diamond certified resource logo
Diamond Certified Company Report
Kevin Comerford, Founder-Service Champions
Kevin Comerford, Founder
Expert Contributions
ratings icon
  • 7374
  • Rating Surveys
video icon
  • 33
  • Photos
    & Videos
articles icon
  • 5
  • Researched Articles
    • Quick Connect
    Hours CLOSED NOW
    License:
    817040
    2 of 6

    Qualtech Heating & Cooling

    hidden

    Qualtech Heating & Cooling has been providing a wide range of HVAC services for residential and light commercial clients throughout Contra Costa and A...
    Read More

    Main Services

    Heating & Air Conditioning
    loarrowgo

    Additional Services

    Heating & A/C System (Including Furnaces and Ductless Heat-A/C Systems) Installation, Maintenance & Repair, Duct Cleaning, Indoor Air Quality, Whole-House Fans

    Brands

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

    Coverage Areas

    Alameda County, Contra Costa County

    Family Owned
    Family Owned
    Established in 2007
    Established in 2007
    Senior Discount
    Senior Discount
    Residential & Commercial
    Residential & Commercial
    Diamond Certified Video Profile
    Heating & Air Conditioning - Qualtech Heating & Cooling - Alameda County
    youtube
    Diamond certified resource logo
    Diamond Certified Company Report
    Myriam Rios, Owner-Qualtech Heating & Cooling
    Myriam Rios, Owner
    Expert Contributions
    ratings icon
    • 287
    • Rating Surveys
    video icon
    • 17
    • Photos
      & Videos
    articles icon
    • 5
    • Researched Articles
      • Quick Connect
      Hours CLOSED NOW
      License:
      905205
      3 of 6

      AIS Heating & Air Conditioning

      hidden

      AIS Heating & Air Conditioning installs and repairs all types of HVAC systems for residential and commercial clients throughout the Greater Bay Area. ...
      Read More

      Main Services

      Heating & Air Conditioning
      loarrowgo
      Air Quality - Indoor
      loarrowgo

      Additional Services

      Heating and Air Conditioning Installation, Service, and Maintenance, Indoor Air Quality, Energy Audits, Heat Pump Systems, Heat Pump Water Heater Maintenance and Repair

      Brands

      Bryant

      Coverage Areas

      The Greater Bay Area

      Family Owned
      Family Owned
      Established in 2008
      Established in 2008
      Residential & Commercial
      Residential & Commercial
      Free Quotes & Consultations
      Free Quotes & Consultations
      Diamond Certified Video Profile
      Heating & Air Conditioning - AIS Heating & Air Conditioning - The Greater Bay Area
      youtube
      Diamond certified resource logo
      Diamond Certified Company Report
      Daniel A. Sojkic, Owner-AIS Heating & Air Conditioning
      Daniel A. Sojkic, Owner
      Expert Contributions
      ratings icon
      • 250
      • Rating Surveys
      video icon
      • 15
      • Photos
        & Videos
      articles icon
      • 5
      • Researched Articles
        • Quick Connect
        Hours CLOSED NOW
        License:
        919756
        4 of 6

        Moore Mechanical Heating & Air Conditioning

        hidden

        Moore Mechanical Heating & Air Conditioning provides a wide range of HVAC services for residential and commercial clients in Alameda and Contra Costa ...
        Read More

        Main Services

        Heat - Radiant
        loarrowgo
        Heating & Air Conditioning
        loarrowgo

        Additional Services

        Heating & Air Conditioning System Replacements & Repairs, Radiant Heating, Ductless Mini Split Repairs & Installations, Ductwork Design Services, Repairs & Installations, Home Performance Evaluations, Annual HVAC Maintenance Programs, Commercial HVAC Repairs & Installations, Indoor Air Quality Diagnostics & Upgrades, Ventilation System Repairs & Installations, Whole House Fan Installations, Attic Ventilation Systems, Air Purification Systems, VRF Systems, Combustion Appliance Zone (CAZ) Tests, Residential & Commercial Heat Pump Water Heaters, Backup Residential Generator Installations, Electrical Panel Upgrades, Including Span Panels, New Residential Electrical Circuit Installations, Including Hot Tubs, Pool Pumps & Electric Vehicle Charging Stations, Generators & Generator Transfer Switches

        Brands

        Carrier, Rheem, Mitsubishi, York, Ruud, Bryant, Bradford White, SANCO2, Harvest Thermal, Noritz, Navien, American Standard, A. O. Smith

        Coverage Areas

        Contra Costa County, Alameda County

        Established in 1985
        Established in 1985
        Residential & Commercial
        Residential & Commercial
        Weekend Hours
        Weekend Hours
        Appointments Available
        Appointments Available
        Diamond Certified Video Profile
        Heat - Radiant - Moore Mechanical Heating & Air Conditioning - Contra Costa County
        youtube
        Diamond certified resource logo
        Diamond Certified Company Report
        Jesse Casey, Regional Manager-Moore Mechanical Heating & Air Conditioning
        Jesse Casey, Regional Manager
        Expert Contributions
        ratings icon
        • 491
        • Rating Surveys
        video icon
        • 11
        • Photos
          & Videos
        articles icon
        • 5
        • Researched Articles
          • Quick Connect
          Hours CLOSED NOW
          License:
          1085045
          5 of 6

          Hometown Heating & Air Conditioning

          hidden

          Hometown Heating & Air Conditioning, originally founded in 2012, is a family-owned and operated business led by Brian Waskow and his daughter, Jessica...
          Read More

          Main Services

          Air Quality - Indoor
          loarrowgo
          Heating & Air Conditioning
          loarrowgo

          Additional Services

          Installation, Maintenance & Repair of HVAC Systems, Electrostatic Filtration, Safety Inspections & Energy Audits, Smoke & Carbon Monoxide Detectors

          Brands

          American Standard, Bryant, Carrier, Honeywell, Lennox, Payne, TLC, Trane

          Coverage Areas

          Contra Costa County Alameda County, Solano County

          Family Owned
          Family Owned
          Emergency 24/7
          Emergency 24/7
          Residential Only
          Residential Only
          Appointments Available
          Appointments Available
          Diamond Certified Video Profile
          Air Quality - Indoor - Hometown Heating & Air Conditioning - Contra Costa County Alameda County
          youtube
          Diamond certified resource logo
          Diamond Certified Company Report
          (L to R) General Manager Alex Lobban, Owner Jessica Lobban and Owner Brian Waskow-Hometown Heating & Air Conditioning
          (L to R) General Manager Alex Lobban, Owner Jessica Lobban and Owner Brian Waskow
          Expert Contributions
          ratings icon
          • 457
          • Rating Surveys
          video icon
          • 32
          • Photos
            & Videos
          articles icon
          • 5
          • Researched Articles
            • Quick Connect
            Hours CLOSED NOW
            License:
            1005143
            6 of 6

            Hassler Heating & Air Conditioning, LLC

            hidden

            Hassler offers full HVAC services including maintenance, repairs, water heaters, ductless, full system replacements, and heat pump conversions. Starti...
            Read More

            Main Services

            Heating & Air Conditioning
            loarrowgo
            Home Energy Auditor
            loarrowgo

            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
            logo
            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 Alamo ZIP Codes

              94507

              Diamond Certified Hvac Contractors In Alamo

              Diamond Certified hvac contractors serving Alamo are rated an average of 4.5 out of 5 stars based on 4303 reviews of 77 rated hvac contractors.
              Diamond Certified hvac contractors in Alamo Avg. Star Rating.

                Map of Alamo, CA

                Alamo was founded in 1854, and today, your 5,957 neighbors enjoy playing cards, art shopping, car shows, surfing and glass blowing. Alamites use Diamond Certified HVAC contractors for furnace repair, mini splits, HVAC upgrades, HVAC maintenance plans, commercial air conditioning, and more.

                Frequently Asked Questions for Heating & Air Conditioning in Alamo, CA
                Q: What are clients of Diamond Certified hvac contractors saying about contractors in Alamo, CA?
                A: Verified Clean Air HVAC, Inc. Customer, one of 262
                "I think they are very efficient. They arrived on time and took care of what they had to. " -Barbara Z.
                All Survey Responses for Clean Air HVAC, Inc.
                Verified Moore Mechanical Heating & Air Conditioning Customer, one of 491
                "The reliability He came when he said he was going to, prompt and friendly. He took the time to explain things." -Debra D.
                All Survey Responses for Moore Mechanical Heating & Air Conditioning
                Verified Service Champions Customer, one of 2575
                "They do a thorough review, make you aware of everything that is going on and do a great job. We are on the maintenance plan and the call ahead of time to schedule and they are always courteous and clean." -Grant D.
                All Survey Responses for Service Champions
                Verified Hometown Heating & Air Conditioning Customer, one of 432
                "They were prompt and quick to resolve the issue. They've been very consistent to depend upon." -Scott H.
                All Survey Responses for Hometown Heating & Air Conditioning
                Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with Alamo residents?
                A: Diamond Certified hvac contractors use top-quality brands like Payne, Panasonic, Gree, Luxaire and Ruud.
                Q: What types of HVAC troubleshooting do hvac contractors offer?
                A: HVAC contractors typically offer a variety of energy-efficient HVAC systems that use advanced technology to reduce energy consumption and maximize efficiency. These systems may include heat pumps, geothermal systems, air-source heat pumps, and variable-speed air conditioners, all of which use less energy to heat and cool the home than traditional systems. High-efficiency furnaces and boilers are also available to reduce energy consumption and keep the home comfortable.
                Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get HVAC upgrades in Alamo?
                A: Yes, Diamond Certified hvac contractors can work with Carrier products and similar items to provide HVAC upgrades in Alamo.
                Q: What did people search for when they wanted to find the best quality hvac contractors in Alamo?
                A: Furnace Repair
                Hvac Maintenance Plans
                Heating System Installations
                Hvac Upgrades
                Ac Tune Ups

                Related Searches in Alamo, CA

                Search Heating & Air Conditioning in Nearby Locations

                Nearby Search Results

                Diamond Certified Companies Serving Alamo, CA

                Browse Types of Diamond Certified Companies Serving Alamo, CA

                View the Full Diamond Certified Guide to Heating & Air Conditioning