Top Rated Hvac Contractors Serving Oakley, 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 Oakley including 94561. These heating and air conditioning experts provide ventilation systems and mini splits, and they also work on energy-efficient HVAC, HVAC maintenance plans and AC tune ups. 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 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
  • 7174
  • 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

      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
        4 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
          5 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
            6 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
              Learn how to choose a Heating & Air Conditioning and more…

              Diamond Certified Hvac Contractors Serve These Oakley ZIP Codes

              94561

              Diamond Certified Hvac Contractors In Oakley

              Diamond Certified hvac contractors serving Oakley are rated an average of 4.5 out of 5 stars based on 4624 reviews of 77 rated hvac contractors.
              Diamond Certified hvac contractors in Oakley Avg. Star Rating.

                Map of Oakley, CA

                Oakley was founded in 1878, and today, your 33,624 neighbors enjoy bar hopping, dog walking, outdoor concerts, antiquing and dance parties. Oakleyites use Diamond Certified HVAC contractors for water heater repair, HVAC maintenance plans, air filtration, heating system installations, HVAC repairs, and more.

                Frequently Asked Questions for Heating & Air Conditioning in Oakley, CA
                Q: What are clients of Diamond Certified hvac contractors saying about contractors in Oakley, CA?
                A: Verified Service Champions Customer, one of 2575
                "That I have no complaints They were respectful, and I'm appreciative of the precautions they took with the whole Covid situation, more or less. They understood I was taking precautions too and were respectful." -Matt G.
                All Survey Responses for Service Champions
                Verified Clean Air HVAC, Inc. Customer, one of 262
                "Good service No further comment" -Rich M.
                All Survey Responses for Clean Air HVAC, Inc.
                Verified Hometown Heating & Air Conditioning Customer, one of 432
                "He was very helpful, he knew what he was doing, and he had a really good rate. Nothing specific, just what I said" -Linn T.
                All Survey Responses for Hometown Heating & Air Conditioning
                Verified Moore Mechanical Heating & Air Conditioning Customer, one of 491
                "Very responsive Really friendly and good follow through" -Alex P.
                All Survey Responses for Moore Mechanical Heating & Air Conditioning
                Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with Oakley residents?
                A: Diamond Certified hvac contractors use top-quality brands like Johnson Controls, Trane, Fujitsu, Goodman and Heil.
                Q: What types of energy-efficient HVAC do hvac contractors offer?
                A: HVAC contractors offer a variety of energy-efficient options to help reduce energy consumption and improve indoor air quality. These options include high-efficiency air conditioners and heat pumps, programmable thermostats, zoning systems, energy recovery ventilators, and ductless mini-split systems. All of these systems use advanced technology to reduce energy consumption while still providing excellent comfort and air quality.
                Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get ventilation systems in Oakley?
                A: Yes, Diamond Certified hvac contractors can work with Carrier products and similar items to help you get ventilation systems in Oakley.
                Q: What did people search for when they wanted to find the best quality hvac contractors in Oakley?
                A: Hvac Troubleshooting
                Hvac Upgrades
                Energy-Efficient Hvac
                Hvac Troubleshooting
                Ventilation Systems

                Related Searches in Oakley, CA

                Search Heating & Air Conditioning in Nearby Locations

                Nearby Search Results

                Diamond Certified Companies Serving Oakley, CA

                Browse Types of Diamond Certified Companies Serving Oakley, CA

                View the Full Diamond Certified Guide to Heating & Air Conditioning