Insulation Contractors in the Bay Area, CA
Rodent Free Warranty Labor Warranty
ENERGY STAR
Partner
Building Performance Institute (BPI) Certified
EPA-Certified
At Attics Express, we are the Bay Area'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 communities across the region, 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 from room to room, or an attic that hasn’t been addressed in years, 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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The Bay Area's Most Trusted Insulation Contractors
Attics Express has been serving the Bay Area for over 15 years, and in that time, we’ve built something that goes well beyond an impressive service record. We’ve built a region-wide reputation rooted in trust. Our in-depth understanding of the Bay Area’s distinct climate patterns, diverse residential construction styles, and local building codes means we bring a level of regional expertise that contractors from outside the area simply cannot replicate.
Local Knowledge, Bay Area Proven
No two Bay Area homes are the same, which is why we never apply a one-size-fits-all approach to any project. Every job begins with a thorough inspection, and every solution is tailored to your home’s specific conditions, using the best available materials and techniques to maximize comfort and energy efficiency for years to come.
A Company Built on Referrals
Word of mouth has always been one of our strongest drivers of new business across the Bay Area. When a homeowner recommends Attics Express to a neighbor or family member, it confirms that we delivered exactly what we promised. Every project, regardless of location, size, or complexity, receives the same standard of care and professionalism that has made us one of the most referred insulation contractors throughout the region.
Attics Express’ Zero-Doubt Promise
At Attics Express, we don’t consider a job finished until you’re completely satisfied and we mean that in the most literal sense. If something isn’t right, we come back. If it takes more visits, more materials, or more time than originally anticipated, that’s on us. You hired us to solve a problem, and we won’t rest until it’s solved.
That’s the Zero-Doubt Promise: the certainty that your money is well spent, your home is in the best hands, and the job will get done no matter what.
Your Investment Is Protected, Before, During, and After
The Zero-Doubt Promise doesn’t end when our team finishes the installation and leaves your property. It is backed by what we firmly 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 the Bay Area, CA
At Attics Express, we provide a full range of professional insulation services built to address every area of your home, improving energy efficiency, indoor comfort, and air quality regardless of the scale of the project. From San Jose to Fremont and everywhere in between, our Bay Area insulation contractors are ready to help.
Attic Insulation
The attic is one of the most critical zones affecting your home’s overall energy performance. Without adequate insulation, heat escapes in winter and accumulates in summer, forcing your HVAC system to overcompensate and driving energy bills higher month after month. Our attic insulation services create a reliable thermal barrier that keeps Bay Area homes comfortable throughout the year.
Wall Insulation
Walls are responsible for a significant portion of your home’s heat loss and heat gain. Properly insulated walls promote more consistent indoor temperatures and help reduce noise from outside — whether the project involves new construction or upgrading an existing Bay Area home.
Basement Insulation
An under-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 risk of moisture buildup that can lead to mold growth and long-term structural issues.
Crawl Space Insulation
Crawl spaces play a significant role in your home’s energy performance and indoor air quality a concern common to many older Bay Area properties. An improperly sealed crawl space allows cold air, moisture, and pests to enter from below. Our solutions effectively protect and seal this often-overlooked area.
Radiant Barrier Installation
Radiant barriers reflect heat away from your home rather than absorbing it, making them especially valuable during the Bay Area’s warmer months. Installed within your attic, they work alongside your existing insulation to reduce heat gain and lower cooling costs throughout the summer.
Vapor Barrier Installation
Moisture is one of the most damaging forces a home can face over time. A correctly installed vapor barrier prevents moisture from penetrating walls, floors, and crawl spaces, protecting your home’s structural integrity, insulation performance, and indoor air quality from lasting harm.
Floor Insulation
Cold floors in winter are a clear indicator that heat is escaping through your home’s foundation. Floor insulation retains warmth at ground level, creating more consistent temperatures throughout your living space while reducing the demand placed on your heating system.
Types of Insulation We Install Across the Bay Area, 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 goals, your budget, and the unique characteristics of your property. At Attics Express, we work with the highest-quality insulation materials available, and our team will help identify 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 proven, cost-effective solution for walls, floors, and attics. Fiberglass batts are durable, moisture-resistant, and among the most widely used insulation materials in Bay Area residential construction.
Blown-In Fiberglass
Ideal for attics and hard-to-reach spaces, blown-in fiberglass delivers seamless, gap-free coverage that meaningfully improves your home’s thermal performance from the inside out.
Blown-In Cellulose
An environmentally responsible, recycled-material option that excels at minimizing air infiltration, particularly well-suited for older Bay Area homes that tend to experience drafts and higher-than-necessary energy loss.
Spray Foam
Spray foam creates an airtight seal that no other insulation material can replicate, delivering superior thermal resistance and the maximum level of energy efficiency available for Bay Area homes.
Industry-Leading Work Standards That Deliver Measurable Results
At Attics Express, quality is not a tagline, it is a verifiable outcome. Every project we complete across the Bay Area is held to a rigorous set of performance standards designed to maximize your home’s energy efficiency, extend the lifespan of your insulation, and produce results you can genuinely feel. As a BPI-certified, EPA-certified, and ENERGY STAR partner company, our standards are not self-proclaimed, they are independently verified 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, and works equally hard in summer by resisting heat gain and reducing the burden placed on your air conditioning system throughout the warmer season.
Keeping Your Home Cooler in Summer
Every installation we carry out is executed with precision, the right materials, the correct R-value, and gap-free coverage from start to finish, ensuring your home performs at its highest level no matter the time of year or where in the Bay Area you live.
Certified Standards You Can Trust
Our BPI, EPA, and ENERGY STAR certifications confirm that the quality of our work has been evaluated and recognized by leading industry organizations. When you hire Attics Express, you’re choosing Bay Area insulation contractors whose standards are independently validated, not simply stated.
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 provide lasting peace of mind well 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 far beyond what the majority of insulation contractors throughout the Bay Area are willing 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 safe with us, before, during, and long after we leave your home.
The Attics Express Process: What to Expect
We keep it simple. Every Attics Express project across the Bay Area follows three clear steps designed to keep you informed, comfortable, and in full control from start to finish.
Free Inspection & Consultation
We assess your home, identify problem areas, and provide transparent, upfront pricing with no pressure and no obligation, just honest answers and a clear path forward tailored to your home’s needs.
Our certified team installs your chosen insulation solution to the highest available industry standards, efficiently, thoroughly, and without cutting corners at any point in the process.
Professional Installation
Post-Installation Inspection
We don’t leave until every detail of the installation meets our quality benchmarks. Everything is reviewed and confirmed before we consider the project complete. And the Zero-Doubt Promise ensures you remain covered before, during, and after the work is done.
Proudly Serving Communities Across the Bay Area Since 2009
At Attics Express, the Bay Area is more than our service area, it’s our home. For over 15 years, we’ve been helping homeowners across the region achieve greater comfort, lower energy costs, and lasting peace of mind through professional insulation services. From Fremont and Hayward to San Jose, Milpitas, Morgan Hill, Los Gatos, and the many communities in between, our team is ready to bring the Attics Express standard of quality directly to your door.
Alameda County
- 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
- 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 reach out. Our service area continues to grow throughout the Bay Area, 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 excessive energy bills, uneven temperatures, or living spaces that simply aren’t as comfortable as they should be. At Attics Express, we’re ready to inspect your home anywhere in the Bay Area, pinpoint the problem, and deliver a solution built to last, backed by the Zero-Doubt Promise and the most comprehensive warranties in the insulation industry. Contact the Bay Area insulation contractors homeowners across the region have trusted for over 15 years.
