Insulation Contractors in San Jose, CA
Rodent Free Warranty Labor Warranty
ENERGY STAR
Partner
Building Performance Institute (BPI) Certified
EPA-Certified
At Attics Express, we are San Jose's premier insulation contractors — delivering high-performance solutions that keep your home comfortable, energy-efficient, and protected throughout every season.
With over 15 years of experience serving the Bay Area, our team brings the expertise, materials, and workmanship to get every job done right the first time. Whether you’re facing rising energy costs, inconsistent temperatures between rooms, or an attic that’s long overdue for an upgrade, we have the solution — from attic and wall insulation to crawl space, basement, radiant barrier, and more.
Reviews
Good Service Guaranteed
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Amy G.
Excellent experience from start to finish. We had a big job; clean, seal and sanitize attic, new insulation, and attic fan. Also, seal crawl space, new insulation, replace hvac duct work, and add moisture barrier. Communication was a 10 and we also…Read review
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Andrew Y.
I hired Attics Express to redo my attic and crawl space, including sanitation, replacing ducts, installing insulation, and putting down a moisture barrier. Marco and his team were some of the most professional and hard working contractors I’ve worked… Read review
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Leslie C
We needed new insulation, and Attics Express not only did the job well, but also went above and beyond with the initial job! The team arrived on time and worked efficiently, completing the job within a day... discovered the areas that this house needs to be... Read review
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Ana Waishwile
I had other estimates for my attic insulation project but the most honest and clearly defined, step-by-step process was from Marco from Attic Express. I did not mind paying a little more when Marco explained to me what needs to be done, not a quick job… Read review
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Olivia V.
I highly recommend Marco and his team for attic insulation related services, including removal of old insulation, installation of new insulation, sealing and closing up small cracks or gaps in the wall… He is professional, knowledgeable, prompt, and… Read review
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Vincent Tran
Marco and his team went above and beyond to clean out my old blown-in insulation and installing new insulation... I have already noticed that my house can retain the heat much better now thanks to Attic Express! Read review
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San Jose's Most Trusted Insulation Contractors
Attics Express has been serving San Jose and the greater Bay Area for over 15 years, and in that time, we’ve built something that extends well beyond a strong project history. We’ve built a reputation that homeowners count on. Our deep familiarity with the Bay Area’s climate, residential construction styles, and local building requirements means we bring a level of regional knowledge that contractors from outside the area simply cannot offer.
Local Knowledge, Bay Area Proven
No two homes are exactly alike, which is why we never take a one-size-fits-all approach to any project. Every job starts with a comprehensive inspection, and every solution is customized to your home’s specific conditions, using the best available materials and methods to maximize comfort and efficiency for years ahead.
A Company Built on Referrals
Referrals from satisfied homeowners have always been among our most valued sources of new business. When a San Jose homeowner recommends Attics Express to a neighbor or family member, it confirms that we delivered on our commitment. Every project, no matter the size, receives the same level of care and professionalism that has made us one of the most referred insulation contractors in the Bay Area.
Attics Express’ Zero-Doubt Promise
At Attics Express, we don’t consider a job finished until you are completely satisfied, and we stand behind that without reservation. If something doesn’t meet your expectations, we return. If additional time, materials, or visits are required beyond what was originally planned, that responsibility is ours to carry. You hired us to resolve a problem, and we won’t stop until it’s fully resolved.
That’s the Zero-Doubt Promise: the certainty that your money is well spent, your home is in skilled hands, and the work will be completed no matter what it takes.
Your Investment Is Protected, Before, During, and After
The Zero-Doubt Promise doesn’t expire when our team finishes the job. It is supported by what we believe are the best warranties available in the insulation industry, including a lifetime warranty on materials through Owens Corning, a 5-year labor warranty on general insulation, and up to a 15-year material warranty on select installations.
Comprehensive Insulation Services in San Jose, CA
At Attics Express, we offer a complete range of professional insulation services built to address every part of your home, enhancing energy efficiency, indoor comfort, and air quality regardless of the scale of the project.
Attic Insulation
The attic is one of the most critical areas affecting your home’s energy performance. Without sufficient insulation, heat escapes during winter and builds up during summer, forcing your HVAC system to work harder and driving up utility bills month after month. Our attic insulation services establish a reliable thermal barrier that keeps your San Jose home comfortable year-round.
Wall Insulation
Walls account for a significant share of your home’s overall heat loss and heat gain. Properly insulated walls support more consistent indoor temperatures and help reduce noise from the outside, whether the project involves a new build or upgrading an existing home.
Basement Insulation
A poorly insulated basement is a primary contributor to energy waste and moisture-related damage. Our basement insulation services regulate temperatures throughout the home, prevent cold floors, and reduce the likelihood of moisture accumulation that can lead to mold and long-term structural issues.
Crawl Space Insulation
Crawl spaces have a greater influence on your home’s energy performance and indoor air quality than most homeowners realize. An unsealed crawl space allows cold air, moisture, and pests to enter from below. Our solutions effectively protect and seal this vulnerable area of your home.
Radiant Barrier Installation
Radiant barriers reflect heat away from your home rather than absorbing it, making them especially valuable during San Jose’s warm summer months. Installed in your attic, they work alongside your existing insulation to limit heat gain and reduce cooling costs.
Vapor Barrier Installation
Moisture is one of the most destructive forces a home can face over time. A properly installed vapor barrier prevents moisture from seeping through walls, floors, and crawl spaces, protecting your home’s structural integrity, insulation effectiveness, and indoor air quality.
Floor Insulation
Cold floors in winter are a clear indication that heat is being lost through your home’s foundation. Floor insulation retains warmth at ground level, creating more consistent temperatures throughout your living space while reducing the demand on your heating system.
Types of Insulation We Install in San Jose, CA
Not all insulation performs the same way. The right material for your home depends on several factors, the specific area being insulated, your energy efficiency objectives, your budget, and the particular conditions of your property. At Attics Express, we work exclusively with the highest-quality insulation materials on the market, and our team will help determine the best fit for your home during your complimentary inspection and consultation.
Rockwool
A premium option offering exceptional thermal performance, noise reduction, and natural fire and water resistance, ideal for homeowners who want the best.
Fiberglass Batts
A reliable, cost-effective solution for walls, floors, and attics. Fiberglass batts are durable, moisture-resistant, and among the most widely used materials in residential insulation throughout the Bay Area.
Blown-In Fiberglass
Best suited for attics and areas that are difficult to access, blown-in fiberglass delivers seamless, gap-free coverage that meaningfully improves your home’s thermal performance.
Blown-In Cellulose
An environmentally responsible option made from recycled materials that excels at reducing air infiltration, particularly effective in older San Jose homes that tend to experience drafts and elevated energy loss.
Spray Foam
The highest-performance solution we offer. Spray foam creates an airtight seal that no other insulation material can replicate, delivering superior thermal resistance and peak energy efficiency.
Industry-Leading Work Standards That Deliver Real Results
At Attics Express, quality is not a catchphrase, it is a verifiable outcome. Every project we complete is held to a rigorous set of performance standards designed to maximize your home’s energy efficiency, extend the life of your insulation system, and deliver results you can actually feel. As a BPI-certified, EPA-certified, and ENERGY STAR partner company, our standards are not simply self-described, they are independently validated by the most respected organizations in the building performance industry.
Preventing Heat Loss Where It Matters Most
Proper insulation prevents 20 to 30 percent of heat loss through the attic during colder months, while working equally hard in summer by resisting heat gain and reducing the strain placed on your air conditioning system.
Keeping Your Home Cooler in Summer
Every installation we complete is carried out with precision, the right materials, the appropriate R-value, and gap-free coverage throughout, to ensure your home performs at its best in every season.
Certified Standards You Can Trust
Our BPI, EPA, and ENERGY STAR certifications mean the quality of our work has been evaluated and recognized by leading industry organizations. When you hire Attics Express, you’re choosing insulation contractors in San Jose whose standards are independently verified, not simply advertised.
The Best Warranties in the Insulation Industry
When we say we offer the best warranties on the market, we back that claim completely. At Attics Express, our warranty coverage is structured to give you genuine peace of mind long after our team has completed your installation. From lifetime material warranties to multi-year labor guarantees, every service we provide is supported by protection that goes well beyond what the majority of insulation contractors are prepared to offer. Because when you invest in your home, you deserve to know that investment is fully protected.
- Lifetime Material Warranty: Owens Corning insulation materials
- 5-Year Labor Warranty: General insulation installations
- 6-Year Warranty: Rodent control materials
- 10-Year Labor Warranty: Air duct installation & rodent proofing
- Flexible Ducts: 5-Year Material | Aluminum Ducts: 10-Year Material
- Sheet Metal Ducts: 15-Year Material
- Vapor Barrier: 3-Year Material / 1-Year Labor
- Radiant Barrier: 3-Year Material / 1-Year Labor
Your investment is protected, before, during, and long after we leave your home.
The Attics Express Process: What to Expect
We keep it simple. Every Attics Express project follows three clear, straightforward steps designed to keep you informed, at ease, and in control from start to finish.
Free Inspection & Consultation
We evaluate your home, identify problem areas, and deliver transparent, upfront pricing with no pressure and no obligation — just honest answers and a clear path forward.
Our certified team installs your selected insulation solution to the highest available industry standards, efficiently, cleanly, and without cutting corners.
Professional Installation
Post-Installation Inspection
We don’t leave until every aspect of the installation meets our quality standards. Every detail is reviewed and confirmed before we consider the project closed. And the Zero-Doubt Promise ensures you remain covered before, during, and after the work is done.
Serving San Jose and the Greater Bay Area Since 2009
At Attics Express, the Bay Area is our home and San Jose has long been one of the communities we’re proud to serve. For over 15 years, we’ve helped San Jose homeowners and those throughout surrounding neighborhoods achieve greater comfort, reduced energy bills, and lasting peace of mind through professional insulation services. No matter where you are in the Bay Area, our team is ready to bring the Attics Express standard of quality directly to your door.
Alameda County
- Alameda
- Albany
- Berkeley
- Dublin
- Emeryville
- Fremont
- Livermore
- Newark
- Oakland
- Piedmont
- Pleasanton
- San Leandro
- Union City
Contra Costa County
- Antioch
- Brentwood
- Clayton
- Concord
- Danville
- El Cerrito
- Hercules
- Lafayette
- Martinez
- Moraga
- Oakley
- Orinda
- Pinole
- Pittsburg
- Pleasant Hill
- Richmond
- San Pablo
- San Ramon
- Walnut Creek
Marin County
- Belvedere
- Corte Madera
- Fairfax
- Larkspur
- Mill Valley
- Novato
- Ross
- San Anselmo
- San Rafael
- Sausalito
- Tiburon
Napa County
- American Canyon
- Calistoga
- Napa
- St. Helena
- Yountville
San Francisco City
San Mateo County
- Atherton
- Belmont
- Brisbane
- Burlingame
- Colma
- Daly City
- East Palo Alto
- Foster City
- Half Moon Bay
- Hillsborough
- Menlo Park
- Millbrae
- Pacifica
- Portola Valley
- Redwood City
- San Bruno
- San Carlos
- San Mateo
- South San Francisco
- Woodside
Solano County
- Benicia
- Dixon
- Fairfield
- Rio Vista
- Suisun City
- Vacaville
- Vallejo
Sonoma County
- Cloverdale
- Cotati
- Healdsburg
- Petaluma
- Rohnert Park
- Santa Rosa
- Sebastopol
- Sonoma
- Windsor
Santa Clara County
- Campbell
- Cupertino
- Gilroy
- Los Altos
- Los Altos Hills
- Los Gatos
- Milpitas
- Monte Sereno
- Morgan Hill
- Mountain View
- Palo Alto
- San Jose
- Santa Clara
- Saratoga
- Sunnyvale
Don’t See Your City? Give Us a Call. If your city isn’t listed, don’t hesitate to get in touch. Our service area continues to expand, and we may already be serving your neighborhood. Contact us today to find out.
Ready to Transform Your Home? Let's Talk
Don’t let inadequate insulation cost you another month of high energy bills, uneven temperatures, or spaces that simply aren’t comfortable to live in. At Attics Express, we’re ready to inspect your home, identify the issue, and deliver a lasting solution, backed by the Zero-Doubt Promise and the most comprehensive warranties in the insulation industry. Reach out to the insulation contractors San Jose homeowners have trusted for over 15 years.
