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Find Attic insulation installers in Norwalk

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


Avatar for Centenario construction

Centenario construction

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Centenario construction

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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.


ANNICCHIARICO CONSTRUCTION

No reviews yet

ANNICCHIARICO CONSTRUCTION

No reviews yet
40 years of experience

Annicchiarico construction Basement Waterproofing @ Mold remediation . Insured and Licensed. Construction Manager of residential and Commercial projects.

Annicchiarico construction Basement Waterproofing @ Mold remediation . Insured and Licensed. Construction Manager of residential and Commercial projects.


LaMonica Tile

3.00(
4
)

LaMonica Tile

3.00(
4
)
19 years of experience

Tile installation

Tile installation


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.


New England's Exterior Doctor, LLC

1.00(
2
)

New England's Exterior Doctor, LLC

1.00(
2
)
Free onsite estimate

New England's Exterior Doctor, LLC specializes in asphalt and metal roofing, window replacement, siding, decks, gutters, kitchen remodeling, bathrooms, and additions. With over 40 years experience in the industry, warranties that are second to none, and financing for your project, The Exterior Doctor can handle all of your remodeling N.E.E.D.'s

New England's Exterior Doctor, LLC specializes in asphalt and metal roofing, window replacement, siding, decks, gutters, kitchen remodeling, bathrooms, and additions. With over 40 years experience in the industry, warranties that are second to none, and financing for your project, The Exterior Doctor can handle all of your remodeling N.E.E.D.'s


R&J Insulation

No reviews yet

R&J Insulation

No reviews yet
14 years of experience

Spray foam insulation company with over 13 years of experience doing work all over Connecticut and New York. We pride ourselves on the quality work we provide, while delivering great customer service! Please see the service we offer below and call -or- click to schedule a free estimate today!

Spray foam insulation company with over 13 years of experience doing work all over Connecticut and New York. We pride ourselves on the quality work we provide, while delivering great customer service! Please see the service we offer below and call -or- click to schedule a free estimate today!


Wallace Roofing and Construction

No reviews yet

Wallace Roofing and Construction

No reviews yet
54 years of experience

Fully registered, licensed and insured. Family business with over 40 years of experience in the tri-State area and Massachusetts. A hard-working, solid Irish guy that actually knows what he's doing. Son setting up shop in North Jersey and the NY area. Looking for new business so clients will be getting great value for Wallace Construction's experience and quality.

Fully registered, licensed and insured. Family business with over 40 years of experience in the tri-State area and Massachusetts. A hard-working, solid Irish guy that actually knows what he's doing. Son setting up shop in North Jersey and the NY area. Looking for new business so clients will be getting great value for Wallace Construction's experience and quality.


Contractor Sandoval Carpentry & Painting

No reviews yet

Contractor Sandoval Carpentry & Painting

No reviews yet
23 years of experience

Our business is ran by the boss Atilano Sandoval, who is the person in charged of leading the job. Whom ever is working on any of our jobs responds to Atilano. We are perfectionist, all work done by us is completely professional and as neat as possible. You can make payments by check or cash. We do payment plans while we are getting the job done. Once the job is completely done, all payment should be made.

Our business is ran by the boss Atilano Sandoval, who is the person in charged of leading the job. Whom ever is working on any of our jobs responds to Atilano. We are perfectionist, all work done by us is completely professional and as neat as possible. You can make payments by check or cash. We do payment plans while we are getting the job done. Once the job is completely done, all payment should be made.


JJ MASONRY & CONCRETE LLC

No reviews yet

JJ MASONRY & CONCRETE LLC

No reviews yet
21 years of experience

Welcome to JJ Masonry & Concrete! We are a fully licensed and insured Masonry & Concrete company operating out of New York City with 15 years of experience in the industry. We work closely with our clients to come up with the best solutions for the project at hand. We have an outstanding management team paired with some of the most safest and knowledgeable working crews in NYC. We go above and beyond our scope of work and at unbeatable prices. Please call JJMC today to inquire about your next project!

Welcome to JJ Masonry & Concrete! We are a fully licensed and insured Masonry & Concrete company operating out of New York City with 15 years of experience in the industry. We work closely with our clients to come up with the best solutions for the project at hand. We have an outstanding management team paired with some of the most safest and knowledgeable working crews in NYC. We go above and beyond our scope of work and at unbeatable prices. Please call JJMC today to inquire about your next project!

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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.