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Explore our frequently asked questions and feel free to contact us with any specific questions you may have. We're always here to help!

Is there any real value to replacing my windows?

New windows not only add curb appeal to your home, increasing your home's value, but they also help with energy efficiency. With better climate control inside your home, you are able to save on your utility bills.

Do I have to take my curtains down before Thermo-Seal arrives to replace my windows?

You can leave your curtains and shades on the windows. Our experienced installers can take them down and replace them exactly as they were.

I need windows replaced, but also want to change the window style. Can you do this?

Windows from Thermo‐Seal can be designed to fit virtually any opening. Our energy efficient windows come in a variety of shapes and styles. You can explore our quality Windows to see which style you prefer.

How long does siding last?

Siding comes in a variety of materials. The type of material your siding is made of will determine the life span. We are happy to offer a free consultation, to look at your siding to offer maintenance or replacement options.

How do I choose which siding I want on my house?

Today's quality siding options are built to withstand changing weather conditions. Some materials do require more maintenance than others and some materials may last longer than others. Choosing a new siding depends on the look that you prefer such as wood or vinyl and you may also want to consider the level of maintenance that different materials require.

How long can I expect a new roof to last?

A new roof can last as long as 20 years. Weather conditions, materials and proper installation can affect this length. It is best to always make sure you are working with an insured and reliable company.

After the last rainstorm, I noticed a water stain on my ceiling. Is a leaking roof an emergency?

Water damage should be looked at right away. Any water that leaks in through a damaged roof can lead to a bigger issues such as mold, ceiling damage and destroyed insulation. It's best to have your roof inspected to determine if and where any leaks may be coming from.

I'm looking for a home improvement contractor. How do I know if you service my area?

As the largest private brand window replacement manufacturer in the area, we provide services throughout New Jersey, New York and Connecticut. If you don’t see your area listed on our Service Area page, please contact our office to discuss.

I would like to see some of the work that you have done for other customers. Is there a way that I can see the quality of work you provide?

Yes! We are happy to share photos of the work that we have provided for our happy customers. Please see our Gallery for examples.

Are you licensed and insured? Why is that important?

Insurance protects employees and you, the homeowner, should anything happen on your property. It also guarantees that you are working with a professional, highly trained company as state licensing boards require insurance in order to qualify for state licensing.

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