Best Fiberglass Insulation in Massachusetts and Rhode Island
Top-of-the-line Efficiency
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Why Choose Fiberglass Insulation?
- Exceptional thermal and acoustical performance
- Non-corrosive and non-combustible
- Protection from moisture build-up and mold growth
- Will not settle, rot or deteriorate with age
- Odor-free
- No requirement for wet adhesives or fire-retardant chemicals
- Recycled content

When it comes to your insulation, we only use the highest quality brands and products.
At Anderson, we realize that every job requires multiple approaches. We can analyze the situation and suggest the right type of insulation. We can do it all. For an insulation team you can trust, call Anderson Insulation today!

Johns Manville Fiberglass
Johns Manville Formaldehyde-free™ fiberglass insulation provides thermal and soundproof control for any type of application - horizontal and vertical. Fiberglass insulation is available in a wide range of thermal resistance R-values and is available unfaced or with a variety of facings, including kraft or foil.

Knauf Fiberglass
Fiberglass insulation allows your heating and cooling systems to operate with greater efficiency, which decreases energy use, may reduce your energy bills, and limits the release of greenhouse gases into the atmosphere. Knauf fiberglass insulation is a great option for those prioritizing sustainability - this product eliminates traditional phenol-formaldehyde (PF) and replaces it with a bio-based fiberglass insulation binder.

Blown-In Fiberglass
Insulation has come a long way in the last half-century, giving homeowners the chance to improve comfort levels while saving on energy costs. Blown-in insulation is often used in attic spaces and is blown into walls for new construction, retrofit, and re-insulation projects. It is a simple yet effective insulation for increased comfort and energy savings. Anderson has six trucks devoted to blown-in installation.
Fiberglass Insulation: Frequently Asked Questions
What makes fiberglass insulation a smart choice for my home?
Fiberglass insulation provides exceptional thermal and acoustical performance, helping you stay comfortable while reducing your monthly energy bills. It is non-corrosive, non-combustible, and protects against moisture build-up and mold growth. Plus, it is completely odor-free and won’t settle, rot, or deteriorate with age, making it a reliable, long-lasting investment for your property.
What brands of fiberglass insulation do you install?
We exclusively use premium, top-of-the-line products to ensure the best results for your home. We install innovative fiberglass from Johns Manville, which features a Formaldehyde-free™ formula, as well as Knauf Fiberglass, which utilizes a sustainable, bio-based binder instead of traditional chemicals. Both options are highly sustainable, feature recycled content, and deliver outstanding energy efficiency.
Can fiberglass insulation be blown into existing walls or attics?
Yes! In addition to traditional fiberglass batts, Anderson Insulation specializes in blown-in fiberglass. We maintain six dedicated trucks just for blown-in installations. This simple yet incredibly effective method is perfect for attic spaces, retrofits, and re-insulating older homes because it easily fills gaps to improve your home’s comfort and energy savings.
How do I know if fiberglass is the right insulation for my project?
With over 75 years of experience serving MA, RI, and NH, the Anderson Insulation team is here to help you choose the best fit. We’ll carefully analyze your home’s needs and recommend the most effective solution. Give us a call at (781) 857-1000 or email info@andersoninsul.com for a free, no-obligation estimate, and our friendly experts will gladly guide you through the process.
What Our Happy Customers Are Saying
Have to say I am very impressed with this company! TJ came out a few days after I called for a quote, but I decided to go with another company at the time. Before I could sign the other proposal, things happened and weeks later I decided not to go with them after all. Kristen still had the proposal TJ had made, and I agreed to it. Within a week the work was done!
The 2 installers were very likeable and professional, and after they left, you wouldn’t know they had ever been there, it was so clean. I learned, too, that the company provides English lessons as a benefit to its employees – and most of the non-native speakers take the classes. They say it helps them learn the business as well as the language, because they can get answers to their questions about jobs at the same time. Kudos to Anderson – they do it all just right!
I would highly recommend this company!
These guys put up new gutters for me, and they actually did the work during a down pour. work looks great, very professional with the installation + cleanup–and the COST WAS A THIRD of what Home Depot quoted me for the exact same gutters.
This is an EXCELLENT company. I did an enormous amount of research and interviewed and priced out at least six other companies. Tony Trigler at Anderson came to the house on four separate occasions to review and price out our very complicated third floor insulation job using both iceynene and cellulose, not many companies do both. Our house is 100 years old and very drafty with a complicated roof line. Anderson sent two very professional crews in to to the job and were also meticulous in their clean up which was very important to me too. they were a pleasure to work with and their price was competitive and quite reasonable. They are a very professional operation.
This company really helped us out of a bind. We realized far too late in a project that spray foam insulation was the way to go. We called to see if they could fit us into their schedule — and they were able to! The price was reasonable for the work we needed to get done — spray foam insulation isn’t cheap from anyone. They showed up on time, prepped the work area carefully, and finished the job with little to no drama! At the end, they cleaned up and there was no sign they had been here — except for everything nicely insulated. I would definitely hire them again when we need more insulation work.
Excellent experienced crew of Paul and Jim took care of insulating the walls of my 90+ year old house’s first and second floors. They were careful in removing and re-installing my 40 year old vinyl siding so that we had no breakage.
Looking forward to lower heating bills this winter!
Overall, I went through 4-5 different outfits to evaluate which one to award this work to. This company had the best rep as well as competitive prices; not the cheapest but worth the extra money to get done right!
The job started on the date they committed and they got it done in the time predicted.