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 Sep 30, 2025
  • 29,008 people sourced companies in Insulation
    2,278 Verified Insulation Customers Surveyed
2278
29008
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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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Diamond certified resource logo
Diamond Certified Company Report
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
    • Quick Connect
    Hours CLOSED NOW
    License:
    1060833
    2 of 3

    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
    logo
    Diamond certified resource logo
    Diamond Certified Company Report
    ratings icon
    • 45
    • Rating Surveys
    video icon
    • 9
    • Photos
      & Videos
    articles icon
    • 5
    • Researched Articles
      • Quick Connect
      Hours CLOSED NOW
      License:
      1042837
      3 of 3

      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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      Diamond certified resource logo
      Diamond Certified Company Report
      Cameron Radonich, Marketing Director-Los Gatos Roofing
      Cameron Radonich, Marketing Director
      Expert Contributions
      ratings icon
      • 642
      • Rating Surveys
      video icon
      • 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 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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