Spray Foam Insulation in Waltham, MA

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.

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.

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.

Very professional and clean.completed job on schedule.5 star rating ,I certainly recommend this company.these guys are great and I will use them again in the future.great job guys ,thanks again!!

This is such a great company not only that they got the best employees on time and accurate for me it’s a definite yes

Pleasant staff very professional and courteous to myself as well as our neighbors 100% satisfied best in the business thanks guys

They did a wonderful job it was excellent I couldn't have asked for a better company to do a better job! Great job guys!

I was treated with the upmost kindness and respect while work was being done in a timely manner at a reasonable cost! I highly recommend this company and will use again in the future!

Nice people to do business with honest fair prices & very kind hearted company that care about the people they do work for at the same time & trust worthy when it comes to doing business with.

Very professional, knowledgeable and pleasant to work with. Company came out, gave accurate quote, provided fast installation date, and was on time each day until the job was completed. Our house has a complicated attic, which several companies refused to even quote.. there were a couple of issues that occurred during install, but they very quickly resolved them! I would work with green stamp for any future insulation projects on our house. A+++

The men at Green Stamp arrived at 7:30 and worked straight until the job was done at around 4:00, not even stopping for lunch. They spent the first couple of hours just preparing the job, putting up plastic to protect the HVAC, etc., before they started spraying. They were very courteous and did a very good, clean job. I was quite nervous about having spray foam insulation in my home, having heard that if it's not installed correctly, I might have off- gassing. But Green Stamp was slow and careful, and the spray foam cured in a couple of hours, and there are no fumes whatsoever. Thank you Green Stamp! (Caitlin from Concord, Mass)

When we decided to age in place, it became clear that our home would require renovation and a small addition. Our goal was to create a structure with a conserving envelope, energy production, and high efficiency mechanics. The most challenging, by far, was the conserving envelope. In 2019, it was suggested that I contact Ben Marshall of GreenStamp. I called him, and most impressively, he came to the house, looked at the plans and explained insulation and the options to me. The project, which was to start in April 2020, did not begin till the fall of 2021. When it was time to insulate in the fall of 2022, Ben again came to the house to look at the areas to be insulated. For many reasons, this was a complicated project. The crew arrived with detailed instructions. The lead on the crew has worked at GreenStamp for fifteen years. A company does not get this kind of loyalty unless they are doing something right. His longevity with the company and with the installation of insulation was very reassuring. And he was well informed about the project. Over the months and years, Ben and Andrew had the patience of saints. They answered question after question, responded to email after email, understood my desire for a net zero envelope, and although they may have wanted to leave this project, they never did. They were timely and thorough in response. I think the most important aspects are their encyclopedic knowledge about insulation, their respect for their customers, their training and education of their employees, and the care they took with the installation. We could trust them implicitly. The insulating envelope of this building reaches net zero standards for this climate, is everything, I’d hoped for, and I can’t recommend GreenStamp highly enough. Jocelyn Tager

They were professional meticulous. Thu we’re available with any questions regarding the process. . Amazon final outcome

Excellent service from start to finish! The team was professional, knowledgeable, and truly committed to doing quality work. They took the time to explain everything clearly, worked efficiently, and made sure the job was done right. It’s refreshing to work with a company that takes such pride in their work and treats customers with respect. Thank you!!!

Airtight did an outstanding job installing our new central air and heating system. They helped us plan, coordinate, understand, and execute the whole project—which was a lot. The oil-to-gas conversion was no small task, but they worked seamlessly with National Grid to get it done. Once that was complete, the installation of the new indoor and outdoor units went even quicker than we expected. It’s already made a huge difference in the comfort of our home. The temperature is consistent, the system is efficient, and being able to control everything through our Google Nest makes the whole setup feel modern and effortless. We’re so impressed with their work that we’ve already hired the Airtight crew to come back and replace all the windows in our house. Highly recommend them to anyone looking for quality, professionalism, and a team that really delivers.