4.5 
38 *The Angi rating for Insulation Service companies in Belmont, 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 Belmont, 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 September 16, 2026
Serving Belmont, 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 Belmont, 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 Belmont, 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 Belmont, 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 Belmont, NH and surrounding areas
Approved
Super Service Award Winner
In business since 2000
Free estimates
Warranties offered
"The work that was done installing spray foam underneath my four season room was fantastic! The owner and worker were absolutely fantastic. Great quality workmanship and very reasonably priced! I will definitely call this company for future work! Very professional, friendly, and clean. No messes were left behind. I already referred this company to friends."
+16
Serving Belmont, NH and surrounding areas
Approved
In business since 2025
Free estimates
Warranties offered
"Kyle was fantastic to work with. Very professional and good attention to detail. I appreciated his responsiveness and his flexibility to working with our schedule."
Serving Belmont, NH and surrounding areas
Approved
Free estimates
Small jobs welcome
"Smart solutions was very professional and extremely helpful. Work was done recently. I have also hired them to do flooring and a bath remodeling. I would recommend them to anyone."
+10
Serving Belmont, 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 Belmont, NH and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"Diego and his crew are amazing! Punctual, fair price and just a great job all around. I even had other contractors come through who commented on what a great job they did. At one point we were on a very tight timeline and needed the remaining plaster installed before the floors went in. Diego’s crew worked late on a Saturday to make sure it was done. Simply could not have stayed on schedule without him."
+14
Serving Belmont, NH and surrounding areas
Approved
In business since 2013
Free estimates
Credit card accepted
"I recently had my shingle roof replaced and I?m very happy with the results. The team was professional, punctual, and completed the job efficiently. The quality of the work is excellent, and the new roof looks great. They kept the work area clean and communicated well throughout the process. I would definitely recommend them to anyone needing a roof replacement."
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