Get matched with top window pros in Cold Spring Harbor, NY

"Very pleased. Great service. My new windows are beautiful. Highly recommend."

"They placed safety films on 5 windows and did a great job. Mike was very professional and courteous and took care of the project as soon as possible."

"KEITH did an amazing job on my windows and screens. Windows look like new again. I Highly recommend him !"

"Excellent from start to finish. Quick turn around time from when the contact was made to arrange for the work and when to job was finished. Rudy, arrived on time and texted me that he was on his way. He is very professional. He knows windows. I cant believe how good my windows look, including removing some silicone . I can only say the truth, he is great. I already have my neighbors taking his card to schedule an appointment. Thank you Rudy."

"Steve was the best salesman, showing me all the advantages of this product and giving me a really good price. Joe (?) came and measured and the team showed up within a month of the order. I Just love this window. It makes me so happy to sit by it and look out every morning. They did a terrific job installing and I am very satisfied with everything and everyone."

"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!!"

"Angelo and his crew were excellent and did a great job with all my window replacements"

"Chris provided thorough window cleaning inside and out in an efficient manner. We would recommend his window cleaning services to others."

"Hi. The person that came to replace my window was very professional first got me the estimate then in 2 days came to replace my window after ordering. Then call me to let me he was coming. Process was fast and efficient and price very economic. I call other places they won’t answer and leave message and after a week they call me when my window was changed already. I recommend Duraglass their job was efficient and fast."

"Sam was quick, nice, and did really great work on my windows! Super affordable too."