Top Rated Insulation Contractors Serving Mount Hamilton, 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 Mount Hamilton including 95140. These insulation specialists provide duct insulation and air sealing, and they also work on thermal insulation, rockwool insulation and vapor barrier installation. 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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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
    2 of 7

    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
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    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
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    • 19
    • Photos
      & Videos
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    • 5
    • Researched Articles
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      License:
      1060833
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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
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      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
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      • 642
      • Rating Surveys
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      • 26
      • Photos
        & Videos
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      • 5
      • Researched Articles
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        License:
        800707
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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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          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
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            Hours CLOSED NOW
            License:
            1011102
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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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            Sean Madar, CEO-Atticare Construction
            Sean Madar, CEO
            Expert Contributions
            ratings icon
            • 543
            • Rating Surveys
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            • 40
            • Photos
              & Videos
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            • 5
            • Researched Articles
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              Hours CLOSED NOW
              License:
              CA: 1051462,
              NJ: 13VH07811700
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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 resource logo
              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
                • Quick Connect
                Hours CLOSED NOW
                License:
                1042837
                Learn how to choose a Insulation and more…

                Diamond Certified Insulation Contractors Serve These Mount Hamilton ZIP Codes

                95140

                Diamond Certified Insulation Contractors In Mount Hamilton

                Diamond Certified insulation contractors serving Mount Hamilton are rated an average of 4.5 out of 5 stars based on 593 reviews of 23 rated insulation contractors.
                Diamond Certified insulation contractors in Mount Hamilton Avg. Star Rating.

                  Map of Mount Hamilton, CA

                  Mount Hamilton was founded in 1868, and today, your 2,812 neighbors enjoy quilting, pub crawls, olive oil tasting, foraging and botanical gardens. Mount Hamiltonians use Diamond Certified insulation contractors for fiberglass insulation, wall insulation, ceiling insulation, garage door insulation, energy-efficient insulation, and more.

                  Frequently Asked Questions for Insulation in Mount Hamilton, CA
                  Q: What are clients of Diamond Certified insulation contractors saying about contractors in Mount Hamilton, CA?
                  A: Verified Insulation Guru Inc. dba HVAC Guru Customer, one of 40
                  "They get the job done right the first time. I like the fact that I don't have to babysit them." -P.A.B.C.
                  All Survey Responses for Insulation Guru Inc. dba HVAC Guru
                  Verified Atticali Customer, one of 82
                  "They should hire them. They took our job." -David B.
                  All Survey Responses for Atticali
                  Verified Alcal Specialty Contracting, Inc. Customer, one of 185
                  "They are pretty good and very helpful. The repair experience was pretty good and efficient. They had good knowledge of the repair and they told me how to repair it." -Eric S.
                  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 Mount Hamilton residents?
                  A: Diamond Certified insulation contractors use top-quality brands like Applegate Insulation, Roxul, CertainTeed, Reflectix and Knauf Insulation.
                  Q: What types of duct insulation do insulation contractors offer?
                  A: Insulation contractors offer a variety of air sealing services to improve the energy efficiency of homes. These services include sealing attic and basement doors, installing weatherstripping around windows and doors, caulking around pipes and outlets, and adding spray foam or caulk to any gaps in the walls, floor, or ceiling. This helps to ensure that conditioned air is not escaping from the home and that outdoor air is not infiltrating it.
                  Q: Can Diamond Certified insulation contractors work with Owens Corning products and similar items so I can get duct insulation in Mount Hamilton?
                  A: Yes, Diamond Certified insulation contractors can work with Owens Corning products and similar items to provide duct insulation in Mount Hamilton.
                  Q: What did people search for when they wanted to find the best quality insulation contractors in Mount Hamilton?
                  A: Soundproofing Insulation
                  Vapor Barrier Installation
                  Fiberglass Insulation
                  Thermal Insulation
                  Rockwool Insulation

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