Skip to main content

The Premier Home Remodeling Company in Port Washington, NY 

If you are in the Port Washington, New York, area, and are in search of a trusted home remodeling company, look no further than the professionals at Thermo-Seal Windows & Siding. Since 1985, our skilled and experienced team has completed home improvement projects for local homeowners.

What We Offer

We are a home remodeling company that is dedicated to quality. Therefore, when you partner with us, you can expect flawless workmanship, first-rate materials, and unmatched customer service during your project.

We also have the expertise needed to install the following:

  • Replacement windows– We offer replacement windows in a wide selection of frame materials, colors, and styles. Customization options are available as well.  Our windows are also energy-efficient, which can help reduce stress on your HVAC system, and may help lower your energy expenses.
  • Siding – We are a certified siding contractor for CertainTeed and James Hardie. These companies are celebrated for producing beautiful, durable, and energy-efficient house siding.
  • Roofing – We are a Master Elite Certified contractor that has the know-how needed to expertly install an asphalt shingle roofing system. During your roof replacement, we can also install gutters and gutter systems.
  • Doors – Our team can install attractive, secure, and strong exterior doors. We offer entry, storm, and patio doors. We also install custom sliding glass doors and French doors that are constructed by our manufacturing partner, Harvey.

What’s more, we are a home remodeling company that can install wood and composite decks, additions, stonework, and more.  

Let’s Get Started on Your Project

For more information about why we are the home remodeling company to turn to, contact Thermo-Seal Windows & Siding today. We look forward to working on your Port Washington, NY, home.

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