Find top-rated spray foam contractors and save up to 35% on energy bills
Compare 9 verified spray foam insulation contractors serving Boston, Massachusetts, backed by 806 customer reviews averaging 4.9★. Whether you're insulating a new build, retrofitting an existing home, or upgrading attic and crawl-space insulation, these pre-screened Boston contractors handle both open-cell and closed-cell spray foam. Homeowners here typically cut energy bills by around 35% — get free quotes and read verified reviews below.
Note: Actual savings vary based on home size, current insulation, energy rates, and climate conditions. These estimates are based on Department of Energy data for Cold.
Recent Reviews:
The Neeco Crew 4 - JR, Juan and Ismael had worked the last day 2 days at our Scituate, MA home insulating the attic with duct sealing, propavent, added 6 inch fiberglass batting. They also took care of our attic door in our room over garage with 2 inch thermal barrier and the kneewall with 2 inch thermal barrier as well. Sealed gaps in the bedroom with dormers in the small closets. Crew 4 took care of adding a bath fan hose and a new attic stair cover. They also took care of the exterior doors with free weatherstripping. The energy savings are real even with our 15 year home we built. This crew was professional and experienced in this type of work. Very grateful for the work they did. I recommend them to any homeowner. This will save us $ during the winter and summer for sure. Greatly appreciated!
After the energy assessment gained from Mass Save, my partner and I decided to change some major home appliances like AC, water heaters, Inductions stove from them to reduce energy use. We got rebates and were grateful!
Paul Tavares did an amazing job throughout the entire project me……me and my husband were really impressed by not only his service, but by his knowledge and thoroughness….. Anytime we had a question or there was a concern throughout the entire project. He was always time when you go with his responses and help guide us through the entire process. We really appreciate having him on the team and can’t stop singing his praises. My husband is the one who actually told me to give him a shout out on your reviews.
Recent Reviews:
The estimator, Jon Pierre, was very informative with excellent advice on insulation type and installation process. Eduard and Bruno arrived on schedule and did an excellent job. We ran into an issue of a solid wall section which could not be reached for insulation. But I was quickly informed of the issue so there was no problem. All wall openings were plugged with Styrofoam as expected and the worksite was left clean and tidy. I would definitely recommend Mass Pro Insulation to anyone needing this service!
First, I would like to start with Jean our estimator and his knowledge and suggestions are fantastic. I cannot believe the difference in my house already even on the first day after of the foam insulation being sprayed in.. My attic and crawlspaces and rim board what a fantastic job. Everything’s nice and clean the heat retention is unbelievable.. The day they did the spray foam was fairly cold and windy, but I had shut off my furnace because it was located near the rim board and we had it protected with plastic tarp and I also wanted the windows open to help with some ventilation so I shut my furnace off in the morning. The temperature of the house was 70°. The windchill had it in the 30s outside. when they finish that afternoon, left around 3:30 I closed my windows. I left the furnace off overnight when I returned the next morning the temperature in my old house only dropped to 67°. I was truly astonished. I’ve been in this house for 28 years, it’s an old Cape house the original on this entire neighborhood property and I know in the past the temperature in my house would’ve been down in the 50s.. So I want to thank them for a fantastic job. I’m very clean process friendly technicians. They did a wonderful job removing all of my old insulation that was starting to show signs of mold and Also, vacuuming out all the loose sprayed insulation . My attic is so clean now and cozy. I could put a nice plywood flooring and use that for extra storage.. Jean, thanks for your knowledge guys. I appreciate the professionalism and the friendliness.. To a job well done I would hire you again in a second.
Mass Pro Insulation is a highly professional team. I really enjoy working with them. Every project we’ve completed together has delivered great results. They have excellent communication, are extremely professional in their work, and keep the jobsite very clean. Here are some photos of projects we’ve worked on together. Congratulations to Leander, Pierre, and the entire team.
Recent Reviews:
We had a great experience working with greenSTAR. Very knowledgeable of current insulation best practices based on a homes’ age and construction method. I have additional projects requiring insulation and fully trust this team.
Recent Reviews:
Very pleased with the job from Evolution. Vando was very easy to work with and quick with his response and quote. The crew was here early ready for the job but waited until we were ready to leave the house. No mess and the job looks great.
I had Evolution Insulation install spray foam in my attic today, and I couldn’t be happier. The crew was professional, friendly, and super thorough-explained everything, worked fast, and left the place spotless. The insulation looks solid, and I’m confident it’ll keep my home comfy and save on energy bills. Highly recommend them!
Amazing job! Im building a 3500sq foot home and from start to finish everything about Evolution insulation was professional. I pulled up one day to find 4 spray foam trucks and 4 crews spray foaming the house all at once. I highly recommend if you are looking for a insulation company that gets the job done professionally at a competitive price.
Recent Reviews:
I hired OnTime Insulation to spray the inside of my metal garage. They sprayed 2" of closed cell insulation. I received 3 quotes from 3 different insulation companies and they were all close in price. OnTime was the lowest estimate by about $150. They were pleasant, flexible, and did top quality work (see photos). I would highly recommend them and if I ever need insulation again in the future, I will call them first.
Marco and his team helped me in a pinch on short notice and accommodated a time sensitive insulation project. The guys who did the work, were kind and professional, and worked incredibly hard in unseasonably hot temps to get the job done. All while doing it, after there day had already been completed. The only constructive criticism I would provide is— initial communications via email were a bit ambiguous. While Marco and the team made it work, there were duplicative email threads that had different answers and when I was triple confirming date and them, there was no response and I had to call Marco directly. Ultimately, it worked out and I’m grateful for the team but it made the scheduling more stressful than it needed to be. Overall the work was great and the team too, insulation was done well and that’s what matters.
Stellar work from the start with the estimate and options: Marcos provided the best options and worked within my budget. Then came the crew who worked for 2 days, did a fantastic job, and cleaned up. I have had problems with contractors doing poor work and/or running with my money. You can trust OnTime insulation for a job well done.
Recent Reviews:
Rogers Insulation did a wonderful job insulating my home. After I had my MassSave audit done, I looked into the reviews of the insulation company assigned and decided to switch to Rogers Insulation based on their excellent reviews. Rogers came out and explained everything to be done. I have a 2 family home with bedrooms and attic on the third floor. Rogers insulated my basement, enclosed porch floor, attic and whole house with blown in insulation under my vinyl siding. It was a week long job in heat of the summer and they were fantastic. Each day, the crew was on time, clean and efficient. They were in parts of my home i was never in. I look forward to reducing my heating cost this winter. Thank you so much for the quality work you did on my home.
We had an energy audit, air sealing, insulation, and vapor barrier done via Rogers and the Mass Save program. Everyone at Rogers was great! Very helpful with all our questions, and did great work in a house that was old and complicated. We can already feel the difference in our comfort: the recent hot weather has felt much more bearable.
Rogers did an outstanding job insulating my crawl space and basement. They were incredibly efficient and professional. The price was very reasonable too. Highly recommend them!
Recent Reviews:
These guys did an excellent job on my house. Excellent customer service. I will definitely be using them again in the future!!
You definitely have to check them out! They are extremely knowledgeable in what they do. Unlike most, they take the time to go in depth and explain the whole process to you so you don't feel left out. And on top of all that, they offer services to residential, commercial, even small attics, so it doesn't matter where your at, they can get the job done!
I hired Spray Foam Boston to insulate my basement, and I had a positive experience overall. The team was professional from start to finish. They explained the process clearly and delivered exactly what they promised. There wasn't anything I'd change about the experience.
Recent Reviews:
I was referred by my neighbor because I had issues finding someone reliable. The best decision that I have made in 2025 since I'm very picky about life itself. They were professional, on time, and friendly.
The job was exquisitely done, by extremely professional workers. I will definitely highly recommend this company, and will gladly support again
From start to finish truly professional service that deserves 6 stars to be honest.
Recent Reviews:
We recently had home insulation installed by McLaughlin and Williams through the MassSave Program. We could not be happier with this company. Our first introduction with Noreen Sheridan, owner of McLaughlin and Williams which is a family owned business, was warm and welcoming. Noreen was extremely helpful with scheduling, guiding us through the process and keeping us informed and up-to-date. Her crew was courteous, professional, dependable and thorough. Her foreman, Jay Pinto, never left each day without informing us what work was accomplish that day and what work would be performed the following day. The walls that needed to be insulated from the interior were left in conditions where only paint needed to be applied. They went above and beyond and finished the job in exactly the six days that was told to us at scheduling. I highly recommend McLaughlin and Williams and can't thank them enough for a job well done!
Did great work insulating a few odd areas around the house. The spray foam crew managed to get above and down the side of an attic shower we didn’t demo. The cellulose crew was efficient. Everyone was personable, flexible and professional
McLaughin insulated our house through the Mass Saves program and did a great job. The crew was great to work with and took the time to customize the work order once they arrived. Work we got done: -Blow-in cellulose insulation -Insulating sunroom floor -Insulating sunroom ceiling. A picture of the sunroom insulation is attached (the sloppy purple foam work in the background is mine).
These are the questions Boston homeowners ask most about spray foam cost, R-value, and open- vs. closed-cell foam — with context for local pricing and roughly 35% typical energy savings. Compare the 9 verified Boston contractors above for exact quotes.
Not finding the right fit in Boston? Many spray foam contractors travel to nearby towns. These communities within about 60 miles all have verified contractors listed.