Top Rated Insulation Contractors Serving Holy City, CA

If you really care about choosing a quality insulation contractor, we’re here for you. Here’s your access to the best insulation contractors serving Holy City including 95026. These insulation specialists provide spray foam insulation and thermal insulation, and they also work on soundproofing insulation, fiberglass insulation and attic insulation. 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
  • 29,008 people sourced companies in Insulation
    2,278 Verified Insulation Customers Surveyed
2278
29008
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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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Kevin Comerford, Founder-Service Champions
Kevin Comerford, Founder
Expert Contributions
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  • 7374
  • Rating Surveys
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  • 33
  • Photos
    & Videos
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  • 5
  • Researched Articles
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    Hours CLOSED NOW
    License:
    817040
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    All Bay Insulation & HVAC

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    All Bay Insulation & HVAC cleans attics and crawl spaces, installs HVAC systems, and provides other services that are designed to improve indoor air q...
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    Main Services

    Attic & Crawl Space Cleaning
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    Insulation

    Additional Services

    Air Sealing, Whole-Home Insulation, Air Duct Cleaning, Repair and Replacement, HVAC Installation, Dryer Vent Cleaning, Energy Audits, Home Remodeling

    Brands

    Carrier, CertainTeed, Owens Corning

    Coverage Areas

    Bay Area

    Established in 2015
    Established in 2015
    Senior Discount
    Senior Discount
    Residential & Commercial
    Residential & Commercial
    Appointments Available
    Appointments Available
    Diamond Certified Video Profile
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    Diamond Certified Company Report
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    • 45
    • Rating Surveys
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    • 9
    • Photos
      & Videos
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    • 5
    • Researched Articles
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      Hours CLOSED NOW
      License:
      1042837
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      Bay Valley Insulation

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      Bay Valley Insulation installs and removes cellulose and fiberglass insulation for residential and commercial clients in Alameda, Contra Costa, Santa ...
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      Main Services

      Insulation
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      Additional Services

      Cellulose & Fiberglass Insulation, Windows, Roof & Foundation Ventilation, Minor Duct Repairs, Energy Leakage Inspections

      Brands

      Greenfiber, Johns Manville

      Coverage Areas

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

      Diamond Certified Video Profile
      Insulation - Bay Valley Insulation - Alameda County
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      • 45
      • Rating Surveys
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      • 6
      • Photos
        & Videos
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      • 5
      • Researched Articles
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        Hours CLOSED NOW
        License:
        546944
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        Insul-Techs Inc

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        Insul-Techs Inc provides a wide range of insulation services for residential and commercial clients in Contra Costa, Alameda, Santa Clara, San Francis...
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        Main Services

        Insulation
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        Additional Services

        Insulation Installation, Removal & Repair, Spray Foam & Fiberglass Insulation, Attic Cleanouts & Sanitation, Title 24 Requirements, Roof Insulation, Weatherization & Air Sealing, Soundproofing

        Brands

        Carlisle, CertainTeed, Greenfiber, Huntsman, International Fireproof Technology Inc, International Fireproof Technology Inc. (DC315 Paint), Natural Polymers, STI Firestop, Thermafiber

        Coverage Areas

        Contra Costa County, Alameda County, Santa Clara County, San Francisco County, Marin County, Solano County, Sonoma County, San Mateo County, Napa County

        Established in 2016
        Established in 2016
        Residential & Commercial
        Residential & Commercial
        Free Quotes & Consultations
        Free Quotes & Consultations
        Text Responses Available
        Text Responses Available
        Diamond Certified Video Profile
        Insulation - Insul-Techs Inc - Contra Costa County
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        Luis Ramos, Owner-Insul-Techs Inc
        Luis Ramos, Owner
        Expert Contributions
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        • 120
        • Rating Surveys
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        • 26
        • Photos
          & Videos
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        • 5
        • Researched Articles
          • Quick Connect
          Hours CLOSED NOW
          License:
          1011102
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          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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          Armando Garcia, Owner-San Jose Heating & Cooling
          Armando Garcia, Owner
          Expert Contributions
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          • 17
          • Rating Surveys
          video icon
          • 19
          • Photos
            & Videos
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          • 5
          • Researched Articles
            • Quick Connect
            Hours CLOSED NOW
            License:
            1060833
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            Atticare Construction

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            Atticare Construction is a family-owned business specializing in attic and crawl space services since 2012. The company focuses on what matters most i...
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            Main Services

            Attic & Crawl Space Cleaning
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            Insulation
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            Roofing
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            Additional Services

            Attic and Crawl Space Cleanup, Insulation Removal and Replacement, Rodent Proofing, Whole House Fan Installation

            Brands

            Knauf, Owens Corning

            Coverage Areas

            the San Francisco Bay Area, Greater Los Angeles, New Jersey

            Free Quotes & Consultations
            Free Quotes & Consultations
            Weekend Hours
            Weekend Hours
            Free Estimates
            Free Estimates
            Appointments Available
            Appointments Available
            Diamond Certified Video Profile
            Attic & Crawl Space Cleaning - Atticare Construction - the San Francisco Bay Area
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            Diamond Certified Company Report
            Sean Madar, CEO-Atticare Construction
            Sean Madar, CEO
            Expert Contributions
            ratings icon
            • 543
            • Rating Surveys
            video icon
            • 40
            • Photos
              & Videos
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            • 5
            • Researched Articles
              • Quick Connect
              Hours CLOSED NOW
              License:
              CA: 1051462,
              NJ: 13VH07811700
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              Los Gatos Roofing

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              Los Gatos Roofing offers residential reroofing services to clients in Southern San Mateo, Santa Clara and Santa Cruz Counties. With expertise across a...
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              Main Services

              Roofing
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              Insulation
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              Additional Services

              Residential Reroofing, Residential Roofing Repairs, Gutter Repair & Replacement

              Brands

              CertainTeed, GAF, Newpoint Concrete Roof Tile, Owens Corning

              Coverage Areas

              Southern San Mateo County, Santa Clara County, Santa Cruz County

              Established in 2001
              Established in 2001
              Residential Only
              Residential Only
              Free Quotes & Consultations
              Free Quotes & Consultations
              Live Phone Call Answers
              Live Phone Call Answers
              Diamond Certified Video Profile
              Roofing - Los Gatos Roofing - Southern San Mateo County
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              Cameron Radonich, Marketing Director-Los Gatos Roofing
              Cameron Radonich, Marketing Director
              Expert Contributions
              ratings icon
              • 642
              • Rating Surveys
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              • 26
              • Photos
                & Videos
              articles icon
              • 5
              • Researched Articles
                • Quick Connect
                Hours CLOSED NOW
                License:
                800707
                Learn how to choose a Insulation and more…

                Diamond Certified Insulation Contractors Serve These Holy City ZIP Codes

                95026

                Diamond Certified Insulation Contractors In Holy City

                Diamond Certified insulation contractors serving Holy City are rated an average of 4.5 out of 5 stars based on 561 reviews of 23 rated insulation contractors.
                Diamond Certified insulation contractors in Holy City Avg. Star Rating.

                  Map of Holy City, CA

                  Holy City was founded in 1919, and today, your 10 neighbors enjoy campfire storytelling, vintage shopping, river rafting, ghost town explorations and historical reenactments. Holy Cityite, Holy Cityites use Diamond Certified insulation contractors for crawl space insulation, wall insulation, attic insulation, pipe insulation, garage door insulation, and more.

                  Frequently Asked Questions for Insulation in Holy City, CA
                  Q: What are clients of Diamond Certified insulation contractors saying about contractors in Holy City, CA?
                  A: Verified Atticali Customer, one of 82
                  "They were thorough and the gentleman came out a couple of times to tell me how to sell my old insulation, which was very helpful. They always called me back, and the men were very knowledgeable and friendly." -Sandra K.
                  All Survey Responses for Atticali
                  Verified Insulation Guru Inc. dba HVAC Guru Customer, one of 40
                  "Use them. They were in and out of my attic." -Alex E.
                  All Survey Responses for Insulation Guru Inc. dba HVAC Guru
                  Verified Alcal Specialty Contracting, Inc. Customer, one of 185
                  "I mean they are a 10 out of 10, so I would recommend them. Quick, easy to work with and professional, the list goes on." -Juliet
                  All Survey Responses for Alcal Specialty Contracting, Inc.
                  Q: What are some of the most popular brands that Diamond Certified insulation contractors use when working with Holy City residents?
                  A: Diamond Certified insulation contractors use top-quality brands like Hunter Panels, Roxul, Atlas Roofing Corporation, Insulfoam and Duro-Last Roofing.
                  Q: What types of soundproofing insulation do insulation contractors offer?
                  A: Insulation contractors typically offer two different types of fiberglass insulation: unfaced and faced. Unfaced fiberglass insulation comes in loose-fill, batts, and roll forms and is installed directly into wall or ceiling cavities. Faced fiberglass insulation comes with a paper or plastic vapor barrier facing and is typically used in attics, as it helps to regulate humidity. Both types of insulation are made from recycled glass and provide excellent thermal and acoustic insulation for buildings.
                  Q: Can Diamond Certified insulation contractors work with Owens Corning products and similar items so I can get spray foam insulation in Holy City?
                  A: Yes, Diamond Certified insulation contractors can work with Owens Corning products and similar items to provide spray foam insulation in Holy City.
                  Q: What did people search for when they wanted to find the best quality insulation contractors in Holy City?
                  A: Blown In Insulation
                  Vapor Barrier Installation
                  Fiberglass Insulation
                  Soundproofing Insulation
                  Spray Foam Insulation

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