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The Premier Home Remodeling Company Serving Homeowners in Fairfield County, CT

When searching for a home remodeling contractor, what qualities do you look for? If experience, integrity, and an exceptional selection of products are high on your list, Thermo-Seal is the company to trust. As a home remodeling company that’s been serving Fairfield County, Connecticut, homeowners since 1985, we have the skills, tools, and expertise needed to provide you with an exterior remodeling experience that’s second to none.

A modern home with textured siding and a double garage

Our Remodeling Services

Whether you’re sick of staring at siding that doesn’t suit your style anymore, want to give your home a boost in curb appeal with new windows, or have something entirely different in mind, Thermo-Seal has you covered. Our exterior home remodeling solutions include:

Replacement Windows

Built with your choice of wood or composite frames and a bevy of advanced features, our replacement windows can help to improve the energy efficiency of your home by reducing thermal transfer—potentially lowering your energy bill in the process.


As a certified contractor for CertainTeed and James Hardie, we can equip your home with best-in-class siding that is both strong and attractive for a long-lasting boost in curb appeal. Our installation services are second to none!


If the roof over your head has seen better days, we’re the exterior remodeling company to call for help. Our status as a GAF Master Elite Certified contractor means that we can offer best-in-class asphalt shingle roofing that protects your home for years to come.


Whether you need a new front entry door, storm door, or even a new set of sliding or French patio doors, we have the customizable options you need.

Additional Services

Want to add a new deck, room addition, or gutters to your home? We have you covered, as we offer a variety of additional home remodeling solutions.

Contact the Local Home Improvement Experts Today

If you’re ready to take your home to the next level by partnering with a local home remodeler you can trust, there’s no need to delay. Contact the team at Thermo-Seal today to learn more about our services for homeowners in Fairfield County, CT.

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