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Find Attic insulation installers in San Jose

THE HOME DEPOT

4.18(
11
)

THE HOME DEPOT

4.18(
11
)
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Banner Residential Rental Maintenance

5.00(
3
)

Banner Residential Rental Maintenance

5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

General housing repairs, rent readies and remodels

General housing repairs, rent readies and remodels

All Phases Electric

4.67(
3
)

All Phases Electric

4.67(
3
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Additional DBAs - Chelsdan Co, The Chelsdan Co.

Additional DBAs - Chelsdan Co, The Chelsdan Co.

Avatar for Z7 Team Powered By First Stop Construction

Z7 Team Powered By First Stop Construction

4.76(
71
)

Z7 Team Powered By First Stop Construction

4.76(
71
)
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Hi, I'm Joe. I'm the General Contractor of the Z7Team. I run my own crew of dependable, loyal workers who love what they do. There's no salesmen, no middleman. Just the crew & I. When you make an appointment with us, you get me at your door, ready to help you with your home remodeling project. I'm hands-on, and come to the job site almost daily to ensure your project is going according to plan. Schedule an appointment today for a free quote!

"My wife and I worked with Joe to renovate our home in the South Bay. We basically tore everything down to the studs and did some reconfiguring of the interior, as well as redoing all plumbing and electrical. With Joe and his team, we transformed a home that hasn’t been renovated since the 60’s to the home of our dreams. We were referred to Joe by a trusted friend, and after a phone call with an overview of what our plans were, we met Joe in person at our home for an initial walkthrough. Both my wife and I were impressed with how thorough he was with details regarding the renovation; it was immediately obvious he was a master of his craft, with a vast amount of experience and knowledge in construction. More importantly, he’s down to earth and honest; his transparency was very much appreciated. Joe and his crew take pride in their work. He’d go above and beyond by suggesting certain looks or practical modifications to our original request; it often felt like he was renovating for himself! For the project, he provided a clearly marked timeline and walked us through all the options for both finished and unfinished materials. His encyclopedic knowledge of stores in the Bay Area saved us a lot of money, and we got exactly what we wanted to build our home with! Home renovation is never a easily forecasted task; there are many surprises or issues that come up. With Joe, we knew we were in good hands. When a challenge did come up, he made sure to explain the options to us and address it immediately. Communication is key in this process, and Joe excels at it - he’s very responsive by phone and text. His crew is polite and also share Joe’s willingness to educate and explain the process. All in all, we felt that Joe became a family friend in the construction business and have recommended him to multiple friends and family. If you are looking for top quality work, reasonable pricing, and a trustworthy expert, look no further than Joe Arielli and his team!"

Kevin H on November 2018

Hi, I'm Joe. I'm the General Contractor of the Z7Team. I run my own crew of dependable, loyal workers who love what they do. There's no salesmen, no middleman. Just the crew & I. When you make an appointment with us, you get me at your door, ready to help you with your home remodeling project. I'm hands-on, and come to the job site almost daily to ensure your project is going according to plan. Schedule an appointment today for a free quote!

"My wife and I worked with Joe to renovate our home in the South Bay. We basically tore everything down to the studs and did some reconfiguring of the interior, as well as redoing all plumbing and electrical. With Joe and his team, we transformed a home that hasn’t been renovated since the 60’s to the home of our dreams. We were referred to Joe by a trusted friend, and after a phone call with an overview of what our plans were, we met Joe in person at our home for an initial walkthrough. Both my wife and I were impressed with how thorough he was with details regarding the renovation; it was immediately obvious he was a master of his craft, with a vast amount of experience and knowledge in construction. More importantly, he’s down to earth and honest; his transparency was very much appreciated. Joe and his crew take pride in their work. He’d go above and beyond by suggesting certain looks or practical modifications to our original request; it often felt like he was renovating for himself! For the project, he provided a clearly marked timeline and walked us through all the options for both finished and unfinished materials. His encyclopedic knowledge of stores in the Bay Area saved us a lot of money, and we got exactly what we wanted to build our home with! Home renovation is never a easily forecasted task; there are many surprises or issues that come up. With Joe, we knew we were in good hands. When a challenge did come up, he made sure to explain the options to us and address it immediately. Communication is key in this process, and Joe excels at it - he’s very responsive by phone and text. His crew is polite and also share Joe’s willingness to educate and explain the process. All in all, we felt that Joe became a family friend in the construction business and have recommended him to multiple friends and family. If you are looking for top quality work, reasonable pricing, and a trustworthy expert, look no further than Joe Arielli and his team!"

Kevin H on November 2018

Avatar for JG builder

JG builder

5.00(
3
)

JG builder

5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

As owner of JG builder I aim to satisfy your vision and values of your home. JG Builder is disabled veteran owned business and I have 25 years in construction industry, Working with the Navy for 10 years as a construction specialist. We are timely, organized and aim to bring your vision to life. Sincerely Owner ,Joseph Guerrero

"Outstanding, honest, quality work, and prompt."

Johnny H on February 2019

As owner of JG builder I aim to satisfy your vision and values of your home. JG Builder is disabled veteran owned business and I have 25 years in construction industry, Working with the Navy for 10 years as a construction specialist. We are timely, organized and aim to bring your vision to life. Sincerely Owner ,Joseph Guerrero

"Outstanding, honest, quality work, and prompt."

Johnny H on February 2019

HOME DEPOT

4.04(
23
)

HOME DEPOT

4.04(
23
)
Customers say: True professional
Avatar for Nick's Handyman Service

Nick's Handyman Service

4.72(
67
)

Nick's Handyman Service

4.72(
67
)
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

RB FLOORING

4.00(
2
)

RB FLOORING

4.00(
2
)
Customers say: Quick response
Avatar for Shaz Construction & Design

Shaz Construction & Design

No reviews yet

Shaz Construction & Design

No reviews yet
38 years of experience

For the past 30 years in Marin and the Bay Area, Shaz Construction has been known and trusted as a highly recommended contractor for excellent workmanship combining quality, innovation, and value. Shaz Construction takes pride in using his artistic ability to make each client's project unique, and to fit their needs/lifestyle.

For the past 30 years in Marin and the Bay Area, Shaz Construction has been known and trusted as a highly recommended contractor for excellent workmanship combining quality, innovation, and value. Shaz Construction takes pride in using his artistic ability to make each client's project unique, and to fit their needs/lifestyle.

Beyond Builders

2.00(
1
)

Beyond Builders

2.00(
1
)
30 years of experience

Eric Ruggiero owns and manages Beyond Builders, a company committed to providing highly skilled construction services for homes and commercial properties. We listen carefully to your needs and offer the best solutions possible, keeping costs in mind. Details are important and we pay attention to them. Whether it is a new construction project, a renovation, or simple repairs we can do the job for you. Call today for your free estimate.

Eric Ruggiero owns and manages Beyond Builders, a company committed to providing highly skilled construction services for homes and commercial properties. We listen carefully to your needs and offer the best solutions possible, keeping costs in mind. Details are important and we pay attention to them. Whether it is a new construction project, a renovation, or simple repairs we can do the job for you. Call today for your free estimate.

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FAQs for attic insulation installation projects in San Jose, CA

The best attic insulation depends on where you live, the project stage, and your budget. New builds often benefit from structural insulated panels for top-tier efficiency, while homes in very warm regions can see big cooling savings with reflective insulation. Blown-in, loose-fill, and spray foam all excel at filling odd spaces in finished attics. Talk with a certified local pro to match the material to your climate, space, and wallet.

You’ll only need a licensed electrician if the project calls for moving existing wiring or adding new fixtures. For straightforward insulation jobs, your insulation installer can work around current cables. That said, never start insulating until a pro has checked any questionable wiring. If you suspect damaged or outdated circuits, book an electrician first to keep the project—and your home—safe and code-compliant.

Without air sealing, even the best insulation can underperform. Gaps let heated or cooled air leak out, forcing your HVAC system to work harder and driving up energy bills. Sealing those cracks before adding insulation locks in conditioned air, keeps moisture at bay, and helps the new material hit its full R-value. Ask your insulation pro to tackle sealing first so you enjoy consistent comfort and lower monthly costs.

Among readily available options, structural insulated panels and rigid foam boards top the charts with R-values that can reach 8.0. They’re ideal for new construction or very cold climates where maximum thermal resistance matters most. If you live in a milder zone, blown-in or loose-fill insulation may deliver plenty of performance at a lower price. Weigh the upfront cost against energy savings—and lean on a local pro’s guidance—to pick the smartest fit.

The San Jose, CA homeowners’ guide to attic insulation installations

From average costs to expert advice, get all the answers you need to get your job done.

See all articles