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Westchester County’s Trusted Window Replacement, Siding & Roofing Specialists

Since 1985, Thermo-Seal has built a reputation for excellence in the home remodeling industry for residents in Westchester County, NY, and surrounding areas. We strive to make the entire home remodeling experience positive for our customers—from your first phone call, until the final handshake. With more than 3 decades of experience in window replacement, siding installation, roofing replacement & repair, and gutter services, you can count on our team.

We make clients happy.

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

We offer multiple locations to serve you throughout the Tri-State area including Rye, Westchester County, Melville, and Stamford.

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