4.1 
66 *The Angi rating for Insulation Service companies in Sherman, 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 Sherman, 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 May 20, 2026
Serving Sherman, 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."
+1
Serving Sherman, 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"
+15
Serving Sherman, CT and surrounding areas
Approved
In business since 2015
Free estimates
Warranties offered
"Great Experience from inspection to install. On time, clean, organized and completed job better than expected. Would and will recommend to anyone looking for insulation."
+21
Serving Sherman, 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.?
Serving Sherman, CT and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Small family business. Pleasant C.S.and scheduling experience with back office. Partners were very accommodating and their workers were friendly, neat and completed the full attic 50 year old insulation removal and new batt insulation install in a timely manner."
+5
Serving Sherman, CT and surrounding areas
Approved
In business since 2015
Free estimates
Small jobs welcome
"Ecofoam insulated my attic with closed-cell spray foam and the results came out great. The space feels completely sealed and much more comfortable already. Sevi and the team were very professional, easy to work with, and kept me updated throughout the whole process. I would highly recommend EcoFoam for anyone looking for quality insulation work."
+29
Serving Sherman, CT and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"Arrived on time. Spent 2 1/2 hours doing preparation to protect our home prior to start to spray foam. Quality of the insulation installation is top notch. Very professional and respectful. I could not be happier with the final project!"
+26
Serving Sherman, 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.
+4
Serving Sherman, CT and surrounding areas
Approved
In business since 2001
Free estimates
Credit card accepted
"I liked that the first questions we were asked was "Have you had a home energy audit done? Did you know you can get a rebate on your insulation project?" Before even knowing the scope of our project, they were looking to help make it more affordable for us."
Serving Sherman, CT and surrounding areas
Approved
In business since 2004
Free estimates
Emergency services offered
"Window & roof insulation quick, easy, & affordable!"
From average costs to expert advice, get all the answers you need to get your job done.
New insulation can make your home more comfortable and boost energy efficiency. Use this insulation cost guide to get an accurate estimate for the installation.
Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.
Your home's ceiling insulation cost will depend on several factors, including the project size, the type of insulation you use, and the R-value.
What is insulation? This behind-the-scenes home fixture will maintain comfortable temperatures in your home no matter the season. It’ll lower energy bills, to boot.
Use this DIY checklist for insulation repair to make your living space more comfortable and reduce your heating and cooling bills in the process.
There are 10 types of insulation you can use for your home. Read this guide to discover which insulation types could be best for the job.
