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Find Attic insulation installers in Norwalk

Avatar for 1 LLC

1 LLC

4.75(
12
)

1 LLC

4.75(
12
)
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

Plumbing, electrical, heating, air conditioning, and hot water heaters. 1 LLC has been in business since 2003

"Super easy & got the job done very quick. Nick was very responsive and easy to work with (and actually suggested I pursue a cheaper alternative that I initially asked for, which never happens). Strongly recommend and would use again!"

Jason S on June 2021

Plumbing, electrical, heating, air conditioning, and hot water heaters. 1 LLC has been in business since 2003

"Super easy & got the job done very quick. Nick was very responsive and easy to work with (and actually suggested I pursue a cheaper alternative that I initially asked for, which never happens). Strongly recommend and would use again!"

Jason S on June 2021

Defaria Hardwood Flooring Sales Installation

No reviews yet

Defaria Hardwood Flooring Sales Installation

No reviews yet
16 years of experience

Distributors of Hardwood Flooring and Supplies to the Flooring Industry

Distributors of Hardwood Flooring and Supplies to the Flooring Industry

BDK Construction LLC.

No reviews yet

BDK Construction LLC.

No reviews yet
20 years of experience

Growing construction company able to complete all phases of new and old construction

Growing construction company able to complete all phases of new and old construction

Avatar for Centenario construction

Centenario construction

No reviews yet

Centenario construction

No reviews yet

my company is specialized in commercial retail and home Improvment projects with 25 years of experience in construction. We would like to offer this experience to whom need work to be done on there in a professional manner.

my company is specialized in commercial retail and home Improvment projects with 25 years of experience in construction. We would like to offer this experience to whom need work to be done on there in a professional manner.

LaMonica Tile

3.00(
4
)

LaMonica Tile

3.00(
4
)
20 years of experience

Tile installation

Tile installation

DRUM POINT INDUSTRIES

No reviews yet

DRUM POINT INDUSTRIES

No reviews yet
40 years of experience

DRUM POINT IND . A RESIDENTIAL AND COMMERCIAL REMODELING COMPANY

DRUM POINT IND . A RESIDENTIAL AND COMMERCIAL REMODELING COMPANY

Avatar for FILIPE CUSTOM WOODWORK INC.

FILIPE CUSTOM WOODWORK INC.

4.60(
5
)

FILIPE CUSTOM WOODWORK INC.

4.60(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Filipe Custom Woodwork, Inc. was founded in 1988 by Filipe Agostinho. With 24 years experience in the woodworking industry, Filipe Agostinho has become well known for his high quality standards in the fabrication of architectural woodwork, custom cabinets and furniture. From its modest start of 2 employees in a 200 square foot shop in 1988, to 16 employees and a spacious 16,000 square foot factory and showroom, Filipe Custom Woodwork, Inc., offers complete involvement from planning, designing, fabrication and installation of any woodwork project. It is this experience that has allowed some of our clients to experience substantial savings through proposed alternates for a given project. The advantage of using a firm with design and construction qualifications is especially important today. Filipe Custom Woodwork, Inc., can help you get the most for your project dollar.

Filipe Custom Woodwork, Inc. was founded in 1988 by Filipe Agostinho. With 24 years experience in the woodworking industry, Filipe Agostinho has become well known for his high quality standards in the fabrication of architectural woodwork, custom cabinets and furniture. From its modest start of 2 employees in a 200 square foot shop in 1988, to 16 employees and a spacious 16,000 square foot factory and showroom, Filipe Custom Woodwork, Inc., offers complete involvement from planning, designing, fabrication and installation of any woodwork project. It is this experience that has allowed some of our clients to experience substantial savings through proposed alternates for a given project. The advantage of using a firm with design and construction qualifications is especially important today. Filipe Custom Woodwork, Inc., can help you get the most for your project dollar.

Avatar for Santiago Hardwood Flooring

Santiago Hardwood Flooring

No reviews yet

Santiago Hardwood Flooring

No reviews yet
26 years of experience

RESIDENTIAL • COMMERCIAL INDUSTRIAL • CORPORATE Santiago Hardwood Flooring provide's High Quality Flooring for New Jersey and Pennsylvania areas for Many Years. Our clients are Very Optimistic of our Services and the Outcome of the jobs. We Specialize in Sanding and Refinishing, Installation, Repairs, and Custom Exotic Hardwood Floors and More. We pride ourselves on offering high quality hardwood flooring services as well as customer satisfaction. We bring years of experience to the table. Our commitment is to offer nothing but the very best and it's reflected in our way of doing business. - David Santiago and Family

RESIDENTIAL • COMMERCIAL INDUSTRIAL • CORPORATE Santiago Hardwood Flooring provide's High Quality Flooring for New Jersey and Pennsylvania areas for Many Years. Our clients are Very Optimistic of our Services and the Outcome of the jobs. We Specialize in Sanding and Refinishing, Installation, Repairs, and Custom Exotic Hardwood Floors and More. We pride ourselves on offering high quality hardwood flooring services as well as customer satisfaction. We bring years of experience to the table. Our commitment is to offer nothing but the very best and it's reflected in our way of doing business. - David Santiago and Family

Happy Home Improvement LLC

No reviews yet

Happy Home Improvement LLC

No reviews yet
12 years of experience

HAPPY HOME IMPROVEMENT LLC. " Where we treat yours like ours" is our motto We believe in getting the job done right the first time. Quality, Care and Professionalism undergirds our Home Improvement Expertise. Whatever your home need to be happy and up to code, exterior or interior we are well capable completing.

HAPPY HOME IMPROVEMENT LLC. " Where we treat yours like ours" is our motto We believe in getting the job done right the first time. Quality, Care and Professionalism undergirds our Home Improvement Expertise. Whatever your home need to be happy and up to code, exterior or interior we are well capable completing.

Miller General Contracting, Ltd.

5.00(
3
)

Miller General Contracting, Ltd.

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

10% off kitchen cabinets and counters! Limited time! Our experienced and professional crews have been with us for an average of twelve years. We work very neatly in your occupied home, completely cleaning upon completion. The work is completed to your expectation to the finest detail. We work with our clients in a creative synergy so that the outcome doesn't just meet your expectations, it exceeds them! Financing available.

10% off kitchen cabinets and counters! Limited time! Our experienced and professional crews have been with us for an average of twelve years. We work very neatly in your occupied home, completely cleaning upon completion. The work is completed to your expectation to the finest detail. We work with our clients in a creative synergy so that the outcome doesn't just meet your expectations, it exceeds them! Financing available.

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FAQs for attic insulation installation projects in Norwalk, CT

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 Norwalk, CT 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