4.5 
78 *The Angi rating for Insulation Service companies in North Haven, 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 North Haven, 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 January 31, 2026
Serving North Haven, 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 North Haven, 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 North Haven, 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!!"
+21
Serving North Haven, 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."
+1
Serving North Haven, 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."
+20
Serving North Haven, 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."
+33
Serving North Haven, 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."
+5
Serving North Haven, 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 North Haven, 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 North Haven, 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.
