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Customer Reviews

Brian Aquino, Suffolk County

One of the best companies I have ever had the pleasure of working with. From setting an appointment to doing the attic insulation and foam insulation on the sidings I have been extremely impressed. They have been more than courteous and accommodating throughout the whole project and have shown. Joe kept constantly checking in to make sure the work was done right and went above and beyond what was expected. I truly appreciate him. Greenseal is a great company with great workers such as Chris. Not only did Joe (the owner) explain everything to me in detail, but Chris constantly walked me through every thing that was being done and took time to explain everything without hesitation. I have been looking for quite some time for a good company for insulation and if you're honestly browsing and trying to do your due diligence, please take your time to call Greenseal and explain your situation. These guys are truly awesome on all fronts and ill be quite honest they are worth every penny paid. Everything was done very well. Really appreciate everything Joe

Brian Aquino, Suffolk County

Kathy Hooker, Suffolk County

I had this company seal my home. I could not be happier. They are professional, knowledgeable, neat and clean. I no longer have drafts and my heating is much more efficient. I highly recommend Greenseal.

Kathy Hooker, Suffolk County

Scott Unterweiser, Suffolk County

One word, AMAZING! I had my crawlspace insulated. I had a tough job to do because the crawlspace entrance is through a tiny basement window. The crew made it work and got the job done in one day. They were neat, clean, and very professional, AND they were less expensive than other companies I got estimates from. Joe was extremely knowledgeable and walked me through the entire process before the job started. I highly recommend them!

Scott Unterweiser, Suffolk County

Greg Galustian, Suffolk County

Joe and his team were very impressive from start to finish. Our main floor was cold in a split ranch, The GreenSeal Team used injection foam from the exterior and sealed all the walls of the home. Our home is much warmer now thanks to the GreenSeal Team. The guys broke some siding during the job and actually found a local vendor that carried the exact siding. They replaced the broken pieces without me even knowing about the damaged siding. Pretty impressed by that alone. Thanks again and i would highly recommend.

Greg Galustian, Suffolk County

Brian Quinn, Nassau County

Extremely professional and efficient Staff and Crew. They left my house cleaner when they left than it was before they arrived.

Brian Quinn, Nassau County

Andy O'Keeffe, Suffolk County

Overall Outstanding for both price and service. Green Seal recently completed an insulation project for my home and service was outstanding from start to finish. I had visits from 4+ energy contractors and not only did Green Seal come in at the best price, but they did so with the proposal that came closest to what I envisioned. I have very tight attic cavities and crawlspace and Green Seal agreed to enter both and insulate from top and bottom where other companies wanted to avoid the challenge. Heather was unbelievable in setting up the appointments and dealing with my tricky schedule. Eric was outstanding on the day of installation, checking with me after every step to make sure that it met my expectations and happily revisiting any areas of concern. Finally Joe made sure the project was completed to my satisfaction. They even came back without blinking an eye to touch up an item of concern that I noticed after the insulation. Its rare to get the best price and best service at one place but I believe I did, especially being as tough and picky a customer as I am.

Andy O'Keeffe, Suffolk County
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