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See examples of the work that has built our reputation. Select any image below to view larger.

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Get a Free Estimate

We make clients happy.

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.

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We Make it Easy

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've got connections.

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

Thermo-Seal Windows Siding & Roofing, Inc. is an A+ Rated BBB Accredited Business serving Westchester County, Rockland County, Nassau County, Suffolk County and Fairfield County. We offer multiple locations throughout the Tri-State Area to better serve our customers.

Showroom

456 Sunrise Highway
Rockville Center, NY 11570
(866) 281-4567

Melville Office

68 South Service Road
Melville, NY 11747
(866) 281-4567

Rye Corporate Office

411 Theodore Fremd Avenue
Rye, NY 10580
(914) 925-3443

Stamford Office

263 Tresser Blvd
Stamford, CT 06901
(203) 663-3534

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