Get matched with top glaziers in Mastic, NY

"I'm so happy with my new windows! My only regret is that I don't have more windows to replace! Aaron and his team were a dream to work with - communicative, friendly, and direct. They worked with me to scope out exactly what I wanted and they were very transparent and fair on price. The installation team was efficient and respectful, making sure everything was done to the utmost standards. My windows look amazing but more importantly they work fantastically! I was shocked at how much quieter and cooler my house was after the new windows were installed, and they are so much easier to keep clean. I will be recommending Thermo-Seal to everyone!!"

"Price was fair and work expertly done. I would highly recommend this vendor."

"The pro did get the job done very well. The old wooden fence and gate were both damaged by the heavy snow in the last winter. The pro and his team removed the fence and gate away, installed new vinyl fence with a gate which matched the existing one in the backyard. They are professional and the cost is very reasonable."

"They replaced my bathtub, installed a new vanity, put in new lights and painted a wall cabinet. Not only were they punctual, but very polite and reasonable. I highly recommend them and will use them in the future."

"The fascia looks great. Home genius very fine reputable company that I would recommend to anyone who wants quality work. I am very happy with their work and James our project assistant."

"Me and my family ordered three bay windows in our house. Every one of them were installed flawlessly and they look amazing. This company will definitely be #1 on the list if we need any work done in the future."

"Corrected a slate problem I had done very professionally clean and on time"

"Zavza Seal is an excellent business! We had a leak in our basement which was attributed to a problem with the foundation. The project manager responded promptly, clearly outlined the specifics of the problem as well as the plan for the repair. He patiently answered all of our questions and concerns. The estimate was fair and reasonable. The crew also arrived promptly and went above and beyond to assure the job is well done. We are extremely satisfied with the job. Zavza Seal is truly an outstanding group of professionals that I highly recommend."

"The Egress window installation went well and this company knows this how to do this type of project. I recommend them as this is the company’s specialty"

"Peter and his team did a wonderful job of presenting the product, discussing the job, giving a fair price, constant communication, as well as a wonderful install process. We would absolutely recommend this company for vinyl siding replacement and will be calling them for windows in the future."