we had work done by them a few years ago and found them steller in workmanship, respectfulness and communication. I had a small issue that was resolved perfectly by Michael and the crew. I would recommend them highly to anyone.
May 2025
I can’t recommend McMahon Insulation enough! They came to our house as part of the Mass Saves program to insulate and air seal our house. They were incredibly kind and pointed out so much that was missed in the initial inspection. They came back a second time and added a hatch for our attic, and added a massive amount of insulation to our attic that would have been missed if not for them. They were quick to answer any questions and incredibly informative. These guys know what they’re doing, and they make sure they do everything right. There was a slight miscommunication in pricing (not their fault), but they even took the hit for us, even though it wasn’t on them.... read full review
April 2025
I had work done last week by the McMahon insulation and they were amazing!! My boyfriend and I recently bought our house and the crawlspace had no insulation and we’ve had issues with our pipes freezing and our floors being cold. We had trouble finding a team willing to do the work since the crawlspace is small and tough!! Mike came out to do a consultation to make sure it was do-able. He was hesitant with how tough it was going to be but knew we would have trouble finding someone else willing to do it. He got an amazing team and made it happen! They did it and were super friendly and professional. Our crawlspace is mostly dirt and the main way to get in is inside the... read full review
we had work done by them a few years ago and found them steller in workmanship, respectfulness and communication. I had a small issue that was resolved perfectly by Michael and the crew. I would recommend them highly to anyone.
I can’t recommend McMahon Insulation enough! They came to our house as part of the Mass Saves program to insulate and air seal our house. They were incredibly kind and pointed out so much that was missed in the initial inspection. They came back a second time and added a hatch for our attic, and added a massive amount of insulation to our attic that would have been missed if not for them. They were quick to answer any questions and incredibly informative. These guys know what they’re doing, and they make sure they do everything right. There was a slight miscommunication in pricing (not their fault), but they even took the hit for us, even though it wasn’t on them.... read full review
I had work done last week by the McMahon insulation and they were amazing!! My boyfriend and I recently bought our house and the crawlspace had no insulation and we’ve had issues with our pipes freezing and our floors being cold. We had trouble finding a team willing to do the work since the crawlspace is small and tough!! Mike came out to do a consultation to make sure it was do-able. He was hesitant with how tough it was going to be but knew we would have trouble finding someone else willing to do it. He got an amazing team and made it happen! They did it and were super friendly and professional. Our crawlspace is mostly dirt and the main way to get in is inside the... read full review