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Service Area

Since 1985, Thermo-Seal has been providing superior window replacement, siding, and other home remodeling services for homeowners throughout the Tri-State area. Our office locations in Rockville Center, Melville, and Rye in New York and Stamford in Connecticut, allow us to provide prompt and professional service you can trust.


Thermo-Seal is the Tri-State area's leader in replacement window services. We are proud of our reputation for quality custom windows and professional installation allowing us to increase the value and beauty of homes in several cities and towns throughout the area.

New York

For replacement windows in New York, look no further than Thermo-Seal. We serve Westchester County, Long Island (Nassau & Suffolk County), Riverdale, and beyond!


If you're a Connecticut homeowner, Thermo-Seal has your window replacement needs covered. We serve all of Fairfield County and surrounding areas.


Thermo-Seal has been transforming home exteriors through replacement siding for more than 3 decades. We have a long list of satisfied customers in several cities and towns throughout the Tri-State Area.

New York

For your siding project in New York, count on Thermo-Seal! We serve Westchester County, Long Island (Nassau & Suffolk County), Riverdale, and more!


If you're looking to make a big impact to your curb appeal with new siding in Connecticut, count on Thermo-Seal. We serve homeowners throughout Fairfield County and surrounding areas.

Roofing & More

Thermo-Seal also offers professional roofing services for homeowners throughout the Tri-State area.

New York

Looking for a roofing contractor in New York? We offer expert roofing services to Westchester County, Nassau County, Suffolk County, and surrounding areas.

  • Ardsley
  • Bedford/Bedford Hills
  • Bridgehampton
  • Bronxville
  • Chappaqua
  • Commack
  • Dix Hills
  • Eastchester
  • Glen Head
  • Glen Cove
  • Harrison
  • Hauppauge
  • Katonah
  • Larchmont
  • Mamaroneck
  • Manhasset
  • New Rochelle
  • Oyster Bay
  • Pelham/Pelham Manor
  • Plainview
  • Pleasantville
  • Pound Ridge
  • Port Chester
  • Purchase
  • Queens
  • Riverdale
  • Roslyn
  • Rye/Rye Brook
  • Scarsdale
  • Smithtown
  • Syosset
  • Valhalla
  • Westchester
  • Yonkers
  • Yorktown


Thermo-Seal has been Connecticut's trusted roofer for 35+ years. We provide dedicated service to Fairfield County and surrounding areas.

Don't see your city or town listed here and live in the Tri-State? Don't worry! Please 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

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