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TRUSTED BY WATERBURY, CT HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon30
    Verified insulation services reviews

Verified Reviews for Insulation Service pros in Waterbury, CT

*The Angi rating for Insulation Service companies in Waterbury, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

*The HomeAdvisor rating for Insulation Service companies in Waterbury, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

Last update on April 10, 2025

Find Insulation pros in Waterbury

Avatar for Good Life Energy Savers LLC
Good Life Energy Savers LLC
4.8(
106
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInsulation - Install or Upgrade

Serving Waterbury, CT and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"the insulation they recommended saved me about 5000kw a year. the amount of money i am saving is far more the insulation payment on my Eversource bill. No money cost to me out of pocket and my electric bill dropped quite a bit. best move i ever did."
Spray foam application
Spray foam in attic
Good Life on the Job
Injecting Foam in Side Walls
Replacing Siding

+1

Response time1 day
6 neighbors recently requested a quote
Recommended by95%of homeowners
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Avatar for Good Life Energy Savers, LLC
Good Life Energy Savers, LLC
4.6(
77
)
Blown-In Insulation - Install or Upgrade

Serving Waterbury, CT and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Easy company to work with. In our large crawl space a few spots were missed. One call and the crew was back in 2 days to do touch up. Note that this was difficult work-lying on your back spraying above you with respiratory & eye protection so to miss a few spots might be expected as well as how insulation expands. They did great job removing old batt insulation Filled w mouse poop"
Tripolymer
Tripolymer installation
Spray Foam Installation
Spray foam insulation projects
Installaton

+15

Response time1 day
44 neighbors recently requested a quote
Recommended by98%of homeowners
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Avatar for New England Performance Insulation, LLC
New England Performance Insulation, LLC
4.4(
59
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Waterbury, CT and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"My experience from start to finish was excellent! From The office staff to the insulation team. All work done as described.â EXCELLENT job!!"
Attic Roof Line
Attic Roof Line
New Home Construction
New Home Construction
New Home Construction

+21

Response time1 day
Response rate88%
17 neighbors recently requested a quote
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Avatar for Top Notch Home Solution, LLC
Top Notch Home Solution, LLC
4.9(
41
)
Batt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - InstallBlown-In Insulation - Install or Upgrade

Serving Waterbury, CT and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Get reliable insulation services from responsible insulation contractors: Top Notch Home Solution, LLC. Family-owned and operated in Cromwell, CT, we are professional providers of residential & commercial insulation services. We have 19 years of experience performing insulation services, among other services ranging from door &b window installation to HVAC services and offer..."Top-Notch Home Services.?

Project Photos
Project Photos
Project Photos
Project Photos
16 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for Shelton Insulation and Gutters, LLC
Shelton Insulation and Gutters, LLC
4.7(
39
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Waterbury, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Warranties offered

"Very professional, great service, cleaned up perfectly, extremely honest did not blow insulation into walls that it was not needed and lowered the cost we are very satisfied."
Weathered Cedar Shakes
Walkway and Retaining Wall
5" K Style Gutters
Attic with retaining wall and Pull Down Cover
Attic No storage

+1

Response time1 day
Response rate97%
14 neighbors recently requested a quote
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Avatar for Koala Insulation of Southern Connecticut
Koala Insulation of Southern Connecticut
5.0(
26
)
Spray Foam Insulation - Install

Serving Waterbury, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Brian, Tom, and Derek did a fantastic job installing spray foam insulation in our Westport home's crawlspace. They were professional, knowledgeable and personable. From start to finish, Brian and his team were honest, thorough and responsible. Very pleased with the results and would highly recommend Koala Insulation."
Attic Spray Foam
Crawl Space SPF
After Spray Foam
Before Spray Foam
Before Spray Foam

+20

Response time1 day
Response rate98%
19 neighbors recently requested a quote
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Avatar for AWC Energy
AWC Energy
5.0(
18
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Waterbury, CT and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Fantastic. Responded to my request and provided quote quickly. Work was exceptional. Workmen were friendly, professional and repaired my insulation perfectly. Couldn't be happier."
Insulation Project
Insulation Project
Painting - Exterior Project
Insulation Project
Insulation Project

+33

Response time1 day
Response rate100%
3 neighbors recently requested a quote
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Avatar for McMahon Spray Foam, LLC
McMahon Spray Foam, LLC
4.6(
32
)
Spray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Waterbury, CT and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I don’t know why anyone would hire anyone else. Anthony is courteous/responsive, knows insulation cold, was quick to provide estimates and service and is smart about his hires, with net results—great workmanship at a very fair price."
Spray Foam Insulation
Spray Foam Insulation
Spray Foam Insulation
Spray Foam Insulation
Open Cell Spray Foam

+5

Response time1 day
104 neighbors recently requested a quote
Recommended by90%of homeowners
Request Quote
Avatar for Danbury Insulation Co
Danbury Insulation Co
4.8(
5
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Waterbury, CT and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

At Danbury Insulation Co, owned and operated by Benito De Jesus & Johan De Jesus Nunez, we take great pride in delivering exceptional service, expert craftsmanship, and complete customer satisfaction on every project. With over 15 years of industry experience, we have built a reputation for providing reliable insulation solutions that improve comfort, energy efficiency, and value for our customers.\n\nNo matter the size of the job, our commitment to service, safety, and quality remains the same. When you choose Danbury Insulation Co, you can trust that your project is in experienced hands.\nCall Us today at (475) 289-8048 for a free estimate and discover the difference that quality craftsmanship and affordable pricing can make.

Dense Pack Holes
Progress
Siding Removal
Second Floor
Dense Pack Prep

+4

25 neighbors recently requested a quote
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Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
496
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Waterbury, CT and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Window & roof insulation quick, easy, & affordable!"
Recommended by74%of homeowners
Request Quote
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Showing 1-10 of 79
Insulation questions, answered by experts

In Waterbury, many homeowners are choosing eco-friendly insulation materials like cellulose and recycled options to boost energy efficiency. Upgrading attic insulation to higher R-values is popular, especially in historic homes. Spray foam insulation is favored for sealing drafty areas, while smart vapor barriers and integrated moisture monitoring systems are trending. Residents also take advantage of local rebate programs to offset insulation upgrades.

Helpful?

In Waterbury, most attic insulation service projects are finished within one to two days, especially in homes built before 1960, which are common in the area. Whole-house insulation retrofits typically take three to five days, as older homes may require extra prep. Blown-in insulation is often completed in a single day, while spray foam insulation usually takes up to two days, depending on home size and accessibility.

Helpful?

Waterbury’s climate and older housing stock mean insulation maintenance should include checking for moisture after heavy rains and inspecting for pests like mice, which are common in the area’s basements and attics. Homeowners should also monitor for settling in attic insulation, ensure vapor barriers remain intact in crawl spaces, and review air sealing every few years to maintain energy efficiency and indoor comfort.

Helpful?

In Waterbury, hidden costs often arise from discovering outdated electrical wiring or the need for mold remediation, especially in homes with fieldstone foundations. Asbestos or lead paint may be present in pre-1978 homes, requiring professional handling. Additional expenses can occur if permits are needed or if insulation contractors uncover structural repairs, such as rotted joists, during the project.

Helpful?

Waterbury homeowners often overlook the need for thorough moisture checks before starting insulation service projects, particularly in older homes with stone basements. Skipping air sealing, choosing insulation types unsuited to the area’s freeze-thaw cycles, and blocking attic ventilation are frequent errors. Attempting DIY spray foam without proper safety gear or neglecting required permits can also lead to costly problems down the line.

Helpful?

The Waterbury, CT homeowners’ guide to insulation services

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

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