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D & D Insulation, LLC
Batt, Rolled or Reflective Insulation Install or Upgrade, Blown In Insulation Install or Upgrade, Spray Foam Insulation Installation,
About us
Welcome to D & D Insulation, LLC! We are a full service, fully licensed and insured insulation contractor who takes great pride in the quality of our work and guarantees customer satisfaction. We specialize in all types of insulation from Spray Foam to Blown to Fiberglass for both residential and commercial properties, new construction, re-models, and new additions.. Serving Rochester, NH and its surrounding areas, along with the North Coast of Massachusetts and Southern Maine! With D&D Insulation the proof is in the foam! WE DO NOT INSULATE UNDER MOBILE HOMES !!!!!
Business highlights
9 years of experience
Services we offer
Blown-in Insulation, Fiberglass Insulation, Spray Foam Insulation
Amenities
Free Estimates
Yes
Accepted Payment Methods
- CreditCard
Reviews
4.822 Reviews
| Number of Stars | Image of Distribution | Number of Ratings |
|---|---|---|
| 91% | ||
| 9% | ||
| 0% | ||
| 0% | ||
| 0% |
Filter reviews by service
Showing 1-22 of 22 reviews
Thomas D.
Oct 2025
Blown In Insulation Install or Upgrade
Dennis and crew did an excellent job. Dennis did some thermal imaging prior to the work and identified an area that was responsible for the heat loss; a soffit under a hipped roof over the outside doorway. They arrived early in the day, worked efficiently, took care to cover the access to the attic and cleaned up well. The price was reasonable. In short, I would recommend them and will use them for any future insulation requirements.
Bob K.
Jul 2021
Batt, Rolled or Reflective Insulation Install or Upgrade
The guys were on time ,did what was needed ,and cleaned up when they were done. T he price was as quoted.
Joe R.
Jul 2021
Blown In Insulation Install or Upgrade
Had some minor clean up that needed to be tended to after the job, nothing worth getting fussed about, Don was on it fast and professionally and made it right ASAP on his own time too! I will hire them again when the time comes to do my rock foundation basement
Keith T.
May 2021
Batt, Rolled or Reflective Insulation Install or Upgrade
Great job insulating a barn putting up OSB on wall and ceiling then paining everything
Mark G.
Apr 2021
Batt, Rolled or Reflective Insulation Install or Upgrade
We had our attic and basement foamed and while it does not look pretty, it does the job. I dropped the heat from 70 to 65 on thermostat and it still read 69 in the morning, indicating that heat loss had been drastically reduced.
PETER S.
Apr 2020
Blown In Insulation Install or Upgrade
Work was done in a timely and professional manner.
Steve N.
Feb 2020
Blown In Insulation Install or Upgrade
Guys did great. Crew of 4. They did my attic and basement. In and out in under 4 hours and everything looks good. Very fair pricing and can complete everything for not much more expensive than you would pay yourself especially with them hauling away the old stuff
Mike G.
Dec 2018
Spray Foam Insulation Installation
they did a very good job !
Samantha C.
Oct 2018
Spray Foam Insulation Installation
Dennis and team did a great job installing spray foam into my outbuilding turned studio. I already can feel a difference when I turn the heat on! Dennis was really helpful in determining what type of insulation I should do. Since my outbuilding had really shallow wall cavities as well as not standard stud spacing I would have wasted a lot of fiberglass batting and would have not gotten a great r-value. For barely anything more spray foam was the optimal choice.
Victor S.
Oct 2018
Spray Foam Insulation Installation
Great job.
Bill H.
Sep 2018
Batt, Rolled or Reflective Insulation Install or Upgrade
Workmanship was great. Very attentive and professional.
John S.
Sep 2018
Blown In Insulation Install or Upgrade
Dwight P.
Sep 2018
Batt, Rolled or Reflective Insulation Install or Upgrade
These guys worked very hard removing old moldy insulation from my attic on a hot humid day before blowing in new. They never complained had a great attitude and did a thorough job for a fair price. I recommend them.
Response from D & D Insulation, LLC
"Thank you very much for your positive review! It was a pleasure! Even if it was hot and humid! Keeping you comfortable all year round while being energy efficient and affordable is what we will not fall short of providing our customers .. doing it all with a smile no matter what the job entails!! Thanks again!"
Carrie A.
Aug 2018
Blown In Insulation Install or Upgrade
They showed up on time, and were well priced. We got other quotes. They came out to give us a quote quickly, and worked with my schedule to get the work done quickly. I won't know til the cold weather hits if it works, but when they left, the area was cleaned up so well, you could barely tell they had been there.
Response from D & D Insulation, LLC
"Thank you very much Carrie!"
MarK F.
Aug 2018
Blown In Insulation Install or Upgrade
Impressed with this company's honest assessments and hard work. I rated quality of work at 5 because the site would not continue without a rating, but I will know this winter when Dennis assures me I will see a huge difference. I believe him. I highly recommend this company for being knowledgeable, fair priced, and dependable.
Response from D & D Insulation, LLC
"Thank you very much! Your review is greatly appreciated! Dennis is great at what he does, thats for sure!! It was a pleasure working with you!"
Marty W.
Jul 2018
Batt, Rolled or Reflective Insulation Install or Upgrade
I appreciated their responsiveness to our concerns, and the speed of their service. Although I inquired about batt insulation, they convinced me that spray foam was a better way to insulate our crawlspace AND keep it free of mice. So far, so good, but the proof will be next spring!
Gary G.
Jul 2018
Spray Foam Insulation Installation
Dennis & Don were timely and professional from quote to finish. Finished job looks great and was the best value for the services provided verses the cost. Thanks Dennis & Don for a job well done..
Normand D.
May 2018
Spray Foam Insulation Installation
They did a great job on the porch i wanted the attic but the estimate for that was ridiculous.
Gary D.
Apr 2018
Great guys and excellent company.
David Z.
Dec 2017
They do good quality work and their prices are reasonable.
Gary D.
Dec 2017
They insulated a metal building we had on our property. Good communication.
Eric S.
Dec 2017
I would recommend them to anyone who is looking to get spray foam insulation project.
Licensing
State Contractor License Requirements
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FAQ
D & D Insulation, LLC is currently rated 4.8 overall out of 5.
Monday: Open All Day
Tuesday: Open All Day
Wednesday: Open All Day
Thursday: Open All Day
Friday: Open All Day
Saturday: Open All Day
Sunday: Open All Day
D & D Insulation, LLC accepts the following forms of payment: CreditCard
Yes, D & D Insulation, LLC offers free project estimates.
No, D & D Insulation, LLC does not offer eco-friendly accreditations.
No, D & D Insulation, LLC does not offer emergency services.
No, D & D Insulation, LLC does not offer warranties.