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Professionally Installed Replacement Windows for Huntington, NY, Homeowners

Do you feel frustrated with the condition of your house windows? Are they warping, peeling, cracking, or showing other signs of damage? If so, now is the time to turn to the professionals at Thermo-Seal Windows & Siding. Since 1985, our skilled and experienced team has proudly installed best-in-class replacement windows for homeowners throughout the Huntington, New York, area. And when you partner with us, rest assured we will complete your project with unmatched attention to detail and exceptional customer service.

The Replacement Windows We Offer

We provide our own line of custom windows, which are manufactured by our partner, Harvey Building Products. Additionally, we install replacement windows that are crafted by Andersen and Pella—both are known for durable and attractive windows that homeowners love. What’s more, we are an Andersen Certified Contractor, ensuring we are trained to install these windows precisely.  

At Thermo-Seal Windows & Siding, we offer replacement windows that come in a wide selection of popular styles, such as slider, garden, casement, picture, bay, bow, and double-hung, as well as completely custom shapes.

They are also:

  • Available in different materials, including wood, thermoplastic, composite, and vinyl
  • Energy efficient and can help reduce your heating and cooling expenses by up to one-third 
  • Easy to care for and require minimal upkeep
  • Able to help reduce the infiltration of outdoor noise 

And for your peace of mind, our windows are backed by a 100% satisfaction guarantee and a limited lifetime warranty which covers defects or seal failures on all mechanical and vinyl components.   

Contact Your Local Window Installation Experts Today 

For more information about the replacement windows we install for homeowners in Huntington, NY, contact Thermo-Seal Windows & Siding today.

Our team looks forward to providing a virtual or in-home estimate for your window project and going over our convenient financing options.

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