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Service Area

Serving Tri-State Area Homeowners With Top-Notch Exterior Remodeling Solutions

Your home is one of the greatest investments you’ll ever make, and Thermo-Seal knows this well. That’s why we offer superior window replacement, siding, and other home remodeling services for homeowners throughout the Tri-State area. We’ve been in business since 1985, and since then we’ve been working hard to earn an outstanding reputation for the high-quality products and top-notch service we provide to local homeowners.

Our Service Area

As a local company with office locations in Rockville Center, Melville, and Rye, New York, and Stamford, Connecticut, Thermo-Seal is your local source for prompt and professional home improvement solutions. We proudly serve the following areas:

New York

We serve Westchester County, Rockland County, Long Island (Nassau & Suffolk County), Riverdale, and beyond, including:


We serve all of Fairfield County and surrounding areas, including:

Our Home Remodeling Services

When you’re ready to improve your home’s curb appeal and energy efficiency with reliable home remodeling solutions, Thermo-Seal has you covered. We offer:

Replacement Windows

Thermo-Seal is the Tri-State area's leader in replacement window services. We offer top-of-the-line windows that are as durable and energy efficient as they are gorgeous, including options for luxurious wood and composite frames. Available in popular styles like double- hung, casement, patio door options, and more, we’re sure to have something that suits your aesthetic and functional preferences.


We have been transforming home exteriors through replacement siding for more than 3 decades, helping us earn a long list of satisfied customers in several cities and towns throughout the Tri-State Area. As a certified contractor for renowned manufacturers CertainTeed and James Hardie, we are able to offer some of the industry’s best siding.


We are a GAF Master Elite Certified contractor, an exclusive status that allows us to offer high-performance asphalt shingle roofing that’s both long-lasting and attractive. We will complete your roof replacement with the utmost craftsmanship and care, and we can even install new gutters or gutter guards while we’re at it for additional protection for your home’s exterior.


Our front entry, patio, and storm doors are strong, stylish, and secure, making them perfect for enhancing and beautifying your home for many years to come.

Get Your Project Started

To learn more about the home remodeling services we offer Tri-State Area homeowners, contact the team at Thermo-Seal today. Even if you didn’t see your city on this list, please feel free to give us a call to find out if we serve your area.

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