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20% off your installed window and patio door project through October 31.

Full-Service Window + Door Replacement
on Long Island, NY

When you choose Marvin Replacement for your window replacement project, our entire team will provide exceptional service from your initial consultation to installation. We manage every detail of your project so that you’ll live and feel better in your home with your new windows and doors on Long Island.

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Find the Best Replacement Windows + Doors on Long Island

Start your project with a free, no-pressure design consultation. Our design consultants will help you find the best energy efficient windows and doors for your home. Whatever the conditions, our Ultrex® fiberglass windows stand up to the Long Island weather year-round. Plus, our proprietary acrylic finish resists scratching, denting, and protects against color fading. 

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Long Island Service Area

We serve homeowners throughout Nassau County and Suffolk County from the Hamptons to Bethpage and more. Some of the Long Island cities we serve include:

  • Garden City

  • Blue Point

  • Great Neck

  • Huntington

  • Babylon

  • Commack

  • Dix Hills

  • Miller Place

  • Roslyn Heights

  • Melville

Request a Free Consultation

Get in Touch

1-866-922-2119

Not in the area? We can still help!

Marvin has dealer partners in New York along with the Tri-State area.

Find a Marvin Dealer Near Me
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Find the Right Windows + Patio Doors for Your New York Home

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Replacement Windows

Explore our complete collection of energy efficient fiberglass replacement windows. 

View Our Windows

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Replacement Patio Doors

Search our fiberglass patio door collection to find the perfect solution for your home. 

View Patio Doors

Marvin Replacement Process
Trusted Window Replacement on Long Island, NY
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Expert Advice
A Marvin Replacement expert will provide an in-home consultation to understand your specific project needs, then work to find the right solution for your home.
Book Appointment
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Hassle-free Installation
On installation day, our crew will carefully install your new energy efficient windows and doors.
Window + Door Installation
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Guaranteed Satisfaction
Marvin Replacement windows and doors come with a Limited Lifetime Warranty for as long as you own your home—plus a five-year installation warranty for additional assurance.
Marvin Replacement Warranties
Consultation

No-Pressure Consultation

We tailor your in-home design consultation to your needs.

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Assess Your Project

Your design consultant will evaluate your windows and doors to find the right solution for your home.  

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Get Your Questions Answered

Your design consultant will thoroughly answer all your questions.

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View Product Samples

During your consultation you’ll view Ultrex fiberglass up close and feel our smooth acrylic finish.

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Custom Quote

You’ll receive a custom quote based on the specifications for your project.

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Special Financing Offers

$0 Down, 0% Interest, 0 Payments for 12 Months*

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Increase your purchasing power with our offer, available until October 31.

Other financing offers are available with different competitive terms and rates from our financing partner, Service Finance Company, LLC.

Financing
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Long Island Window + Patio Door Replacement

Thinking of a new window or patio door project for your home? Let's get started.

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Long Island Window + Patio Door Replacement

Thinking of a new window or patio door project for your home? Let's get started.

Yes! I’d like to hear about promotions, special offers, and Marvin Replacement news. By leaving this unchecked, you’ll only receive information about your project.
By continuing, you agree to Marvin Replacement’s Terms of Use & Privacy Policy. By providing your phone number, you agree to be contacted by voice or SMS to schedule or follow up your appointment.
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