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An Experienced Home Remodeling Company Serving Westchester County, NY

If you’re searching for a home remodeling contractor you can count on to provide top-quality products, expert installations, and customer service that’s second to none, look no further than Thermo-Seal. We’ve been serving homeowners in Westchester County, New York, since 1985, and since then we’ve earned a reputation for excellence in all that we do. Whether you need new windows, siding, roofing, or another exterior remodeling solution for your home, we’re confident we’re the only company you’ll need to call.

The exterior of a beautiful American home on a sunny day

Our Home Remodeling Services

At Thermo-Seal, we believe in offering top-of-the-line products that are as durable and energy efficient as they are gorgeous. We can improve the curb appeal and thermal performance of your home with:

Replacement Windows

We can replace your outdated windows with new ones that enhance both the aesthetics and indoor comfort of your home. These windows can be customized to suit your specific wants and needs, with plenty of options for frame materials, window styles, and more.


As a certified contractor for CertainTeed and James Hardie, we are your source for some of the industry’s best exterior siding. Crafted to be both sturdy and stylish, this siding will help protect and beautify your home for many years to come. We also offer flawless installation you can rely on.


We are a GAF Master Elite Certified roofing contractor, which means that we can install premium asphalt shingle roofing or metal roofing that is built to stand up to the elements while improving the look of your home’s exterior.


Exterior doors should be stylish, strong, and secure—and that’s exactly what you’ll get with our premier selection of front entry, patio, and storm doors.

Additional Services

Looking for something to take your home to the next level? We offer an array of additional home remodeling services, including decks, additions, gutters, stonework, and more.

Turn to Westchester County’s Home Remodeling Experts

Ready to make a long-term investment in your home? If so, it’s time to get in touch with the team of experts at Thermo-Seal. Contact us today to learn more about the products and services we offer in Westchester County, NY.

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

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.

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