4.5 
45 *The Angi rating for Insulation Service companies in Wallingford, 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 Wallingford, 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 Wallingford, 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 Wallingford, 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 Wallingford, 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 Wallingford, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Warranties offered
"Very professional company. From the initial contact, inspection and quote by Brian, to prompt scheduling follow-up by Jessen and arrival of the team, everything went seamlessly. Would definitely recommend this company. Jabari and Anthony did a great job insulating the rim joists, adding wall and pipe insulation under the sink on an outside wall and caulking a leaky window - no more breezes. Definitely feel a difference in the house now. The added attic hatch cover makes the heat stay below, where it belongs. Really appreciated the use of PPE when they were working with mineral wool. Very satisfied customer here."
+20
Serving Wallingford, 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 Wallingford, CT and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Anthony and his team did an incredible job insulating our full gut remodel in Fairfield. He took the time to put together a foam package that made the most of our budget. The crew was polite, neat and efficient. They took great care to cover finished surfaces before spraying and did a thorough clean up so we could jump right into sheet-rocking. Highly recommended for quality of work, constant communication and value!"
+5
Serving Wallingford, CT and surrounding areas
Approved
In business since 2005
Free estimates
Credit card accepted
"Fast response for the initial quote. Sales person was very knowledgeable of the products and explained everything clearly. Price was very reasonable, work was scheduled quickly and installation pros did a great job! I would highly recommend them!"
Serving Wallingford, CT and surrounding areas
Approved
In business since 2015
Free estimates
Small jobs welcome
"I had my attic insulated by EcoFoam and I?m honestly really happy with how it came out. The crew was on time, clean, and explained everything before they started. The attic looks great now and the house already feels warmer with no drafts. Sevi was easy to work with and kept me updated the whole time. Overall the job was done right and I?d definitely recommend them to anyone who needs insulation."
+29
Serving Wallingford, 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 Wallingford, 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.
