Contact Thermo-Seal

Showroom
456 Sunrise Highway
Rockville Center, NY 11570
(516) 917-0598

Melville Office
68 South Service Road
Melville,NY 11747
(631) 710-6937

Rye Corporate Office
411 Theodore Fremd Avenue
Rye, NY 10580
(914) 635-3748

Stamford Office
263 Tresser Blvd.
Stamford, CT 06901
(203) 990-1812

Our hours are Monday through Saturday from 9am to 8am.

Let's Get Started

Feel free to call us to schedule a free in-home or virtual estimate, or complete our form and we will follow up with you.

Thermo-seal is professional, courteous, and their work is top notch!—Juliane P.

My heating usage was decreased and I love the windows.—Cathy M.

My house feels warmer already and the windows look beautiful inside and out! —Heidi O.

We would highly recommend Thermo-Seal to anyone who needs work done.—Roberta M.

Best service in the world! Excellent windows. Lovely people.—Louise A.

Such a great company. Friendly and great prompt service.—Dot C.

Work exceeded expectations. Highly recommended.—Matthieu D.

Always available, always on time, great prices, outstanding follow up!—Lori D.

Pricing was good from the start and the windows are amazing.—Saad C.

Hands down the best window experience I could have possibly imagined. —Nash H.

With customer service and craftsmanship that’s second-to-none, we make it easy
to achieve the home of your dreams.

Free, No Hassle Estimates Schedule a free in-home or virtual estimate. We’re here to help!

High Quality Products We offer the best products available, including our own brand of replacement windows.

Satisfaction Guarantee Our job is not done until you’re completely satisfied.

We're certified by the industry’s leading manufacturers to offer a wide range of top quality options. View Our Credentials

Showroom

456 Sunrise Highway
Rockville Center, NY 11570
(516) 917-0598

Melville Office

68 South Service Road
Melville, NY 11747
(613) 710-6937

Rye Corporate Office

411 Theodore Fremd Avenue
Rye, NY 10580
(914) 635-3748

Stamford Office

263 Tresser Blvd
Stamford, CT 06901
(203) 990-1812