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 2022
Free estimates
Small jobs welcome
"Happy to work with this company, will definitely be reaching out again for any future insulation needs. Very professional and nice people."
+57
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 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
"It was an absolute pleasure having Roland do my insulation job. He called me the very same day I submitted my inquiry and came to my home that afternoon and got right to work. It made me feel very comfortable to know that my job was being done by an experienced, efficient and knowledgeable insulation installer. He also was very polite and friendly. I highly recommend that anyone in need of insulation contact Roland Martin of Sav-on Insulation. He will do a fantastic job for you."
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
Free estimates
Emergency services offered
Warranties offered
"They did the job as defined in the scope. I have not been able to test its full function until we have a heavy rain storm . It is designed to keep the basement dry under heavy rain or tropical down pours.. I was very pleased that they were on time and very communicative throughout the engagement."
+2
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
From average costs to expert advice, get all the answers you need to get your job done.
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