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Windows, Doors & Vinyl Siding Long Island, NY

Quality Home Replacement Products

As part of the largest window replacement company in the country, Window World of Long Island is proud to offer a variety of home replacement products in Farmingdale and surrounding areas. We are locally owned and nationally known, which means you’ll receive personalized service with the benefits of a large inventory to choose from. Our products are backed by a Lifetime Limited Warranty and are protected by the Good Housekeeping Seal. You can feel confident with your investment in any of of quality home replacement products, including:

Window Styles

Replacement Doors

Additional Products


Increase the Efficiency of Your Home

When it comes to saving on energy costs in your home, Window World of Long Island has got you covered. From window replacement to vinyl siding, our top-quality products are designed to better insulate your home and maximize heating and cooling efficiency. In fact, our vinyl windows are Energy Star Certified and meet SolarZoneTM energy-efficiency standards, which means you can rest assured knowing that your window frame is fully insulated and uses the latest technology in window glass. Contact us today to get a free in-home estimate!

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