Local business · Lawrence, MALocal business · 52 S Canal St #5a, Lawrence, MA 01843, USA
Verified record
Almost every homeowner who writes about Polar Bear Insulation found them the same way: a Mass Save energy assessment, a shortlist of approved contractors, and this Lawrence company showing up with tarps and a blower. That is the shape of the business — weatherization work, mostly rebated, done in a day or two, and it has done at least 90 permitted jobs in the last three years across the Merrimack Valley and MetroWest. The company says it has been insulating homes in the area since 1983 and works as an authorized partner of the Mass Save Home Energy Services program, specializing in blown-in cellulose and fiberglass for walls, attics and garages. BuildZoom's permit record backs the description: 538 permits on file, a typical job value around $4,951, and permit descriptions that read the same way over and over — air sealing, dense-pack cellulose in the exterior walls, blown cellulose to code in the attic, ventilation if needed. What reviewers praise most is not the insulation itself but how the crews treat the house. A January 2025 customer wrote that Curtis and his crew covered brand-new hardwood floors with tarps, threw plastic over the furniture, and vacuumed at the end of each day, and that the gas bill had already dropped. Another that month described the attic sealed, a new gable vent added, fourteen inches of insulation installed, and a two-foot catwalk built for future access, crediting Peter, Steve and Curtis by name. A September 2023 customer said the crew flagged things the Mass Save assessor had missed and handled them; a January 2022 customer said the same and had the extra wall work finished within five days. Most recently, in June 2026, a homeowner commended the team for an organized install on a hot day. The one serious complaint is worth reading before you book. In March 2024 a tenant gave one star after the company insulated their apartment building through the landlord's Mass Save project, describing glue residue left across the insulated porch walls, wood panels splintered and then shoddily nailed back into place, and broken personal belongings that they say were hidden rather than disclosed. It is a single account, but a specific one, and it concerns a multi-unit job rather than an owner-occupied house. BuildZoom lists an active Massachusetts home improvement contractor registration for the company, which it says it verified in March 2026, along with two older registrations it shows as inactive — one it describes as having been cancelled at some point. A sensible pick for a Mass Save-rebated insulation and air-sealing job in the Merrimack Valley or MetroWest. Confirm the registration yourself with the Massachusetts Office of Consumer Affairs, agree in writing what gets removed, replaced and cleaned up, and — if the property has tenants — settle in advance who tells them what is happening.
“We used polar bear insulation and they were great. We definitely recommend them, though I think mass save monitor every company to check that everything works as expected.”
Wanted to commend the insulation team that came on June 12. They were extremely professional, responsible and clean in their approach. It was a hot day and the crew battled through with some of the most organized insulation install I have witnessed. Mass save was a great partner with polar bear and I reccomend everyone take advantage of this low cost insulation service.
Not only did these guys have the earliest availability than the three contractors I shortlisted through Mass Save, but they worked around my work schedule and holiday travel plans to do my whole house insulation project - which I really appreciated as winter was just around the corner. As other reviews mentioned, Curtis and his crew carefully protected our (brand new) hardwood floors with lots of tarps, threw plastic over furniture and vacuumed after each day of work. Our home feels so much warmer and I am already seeing savings in my gas bill! I couldn't be any happier with their work.
We recently worked with Polar Bear Insulation after a Mass Save assessment recommended several energy-saving improvements, and we couldn't be happier with the results! They sealed our attic, added a new gable vent, installed 14 inches of fresh insulation, and even built a 2-foot-wide catwalk for easy future access. Peter, Steve, and Curtis were fantastic—professional, friendly, and true experts in their field. They went above and beyond, carefully protecting our home with tarps and plastic to keep everything clean during the process. The workmanship was top-notch, and the difference is noticeable—our home feels so much warmer now! We highly recommend Polar Bear Insulation for anyone looking to improve their home's energy efficiency. Thank you for an excellent job!
We're having a lot of renovations done on our home. Of all the contractors we've hired, Polar Bear insulation was among the best. They were hired through Mass Save. I highly recommend. They were courteous, punctual, did great work, and did a fabulous job of cleaning up after himself.
As part of Mass Saves that my landlord reached out to, this company was the one to take the call for insulating my apartment building. The job quality is so terrible. There is glue residue all over the porch walls that they insulated, they shoddily nailed the wood panels back into place after splintering them off (pictures included). They even shattered some of my belongings that were in the space they were working and hid it from us instead of being honest and either 1) letting us know it needed to be moved or 2) owning the mistake. To top it off, we work from home. My landlord communicated that this would take one day to complete. It took this company three full days. While they were here, they blasted music the entire time on a radio, knowing there were people inside the building trying to work. I’m glad that I didn’t use my money on this service, but I am pretty disappointed with Mass Saves and the contracted business they decided to hire. I keep finding more horribly done work by them as I look around the perimeter of my apartment building. Honestly, even though the Mass Saves phone calls and emails are incessantly annoying, I would ignore them as much as possible to avoid this company doing the work on your home.
Specializes in
Also offers
Service area
Languages
Added 8 new comments, added 37 new photos, established rating 3.8