4.4 
72 *The Angi rating for Insulation Service companies in Sandown, NH 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 Sandown, NH 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 November 24, 2025
Serving Sandown, NH and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"Sean and Dave were super on this project. They got the project done on time, their communication was excellent, and they did a high quality job."
+39
Serving Sandown, NH and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"Quick turnaround from estimate to getting the work done."
+9
Serving Sandown, NH and surrounding areas
Approved
In business since 2022
Free estimates
Small jobs welcome
"We were referred to AJ Pro Green by a colleague so we had them come out for a free estimate. They showed up on time and were very professional. They insulated our basement during our remodel and we couldnâ t be happier. The job was done quickly, was within our budget, and communication was fantastic. We would highly recommended!"
+57
Serving Sandown, NH and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"GREAT JOB PRICE WAS GREAT AND A PRO JOB"
+5
Serving Sandown, NH and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
"I could not have been more pleased by the work and the professionalism and the cost and the results. ABI was the first company to respond to my request for bids on the project. They were at the house within days of the request and were knowledgeable about putting insulation over light fixtures embedded in the ceiling. The attic did not have access from within or outside the house and they problem-solved this in a way that was a great solution. They lay down mats so as not to dirty up the carpets and stairs and they wore gear to protect themselves from the insulation. MY house was cleaner when they left than when they arrived. All of the people working on the project were professional and knowledgeable and the cost was extremely reasonable. For the first time this winter, my house feels like it can hold the heat. Looking forward to this summer, because I'm betting it will also improve my air conditioning!"
Serving Sandown, NH and surrounding areas
Approved
In business since 1973
Free estimates
Credit card accepted
"Roland was very knowledgeable about what I needed for my attic. Was kind courteous responsive and was at our house very quickly to do the job. His prices are fair and does amazing work. If I had a second attic I would book him again for it. Thank you very much"
Serving Sandown, NH and surrounding areas
Approved (Corporate)
In business since 1975
Free estimates
Credit card accepted
"Quality insulation really lived up to their name! We had a great experience from start to finish. Joe, our salesman was super responsive and knowledgeable during the process. The installation specialists were professional and tidy. I would definitely recommend them to anyone that is in need of insulation."
Serving Sandown, NH and surrounding areas
Approved
In business since 2025
Free estimates
Small jobs welcome
"Job was done well and on budget"
Serving Sandown, NH and surrounding areas
Approved
In business since 2014
Free estimates
Warranties offered
"Matthew @ Freedom Framinging was thorough, professional and tidy. Would definitely use him again."
+34
Serving Sandown, NH and surrounding areas
Approved
In business since 2020
Free estimates
Warranties offered
Jimenez Drywall Construction is a Family owned and operated Company. Has been recognized as the most dependable company In New England. We provide quality work to all our clients. Whatever you have in mind our professional worker will make it come to life!
+24
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.
