Casement windows are a breeze to clean and easy to operate. Perfect for kitchens and sunrooms, just crank your casement windows out to let fresh air in. Enjoy the clean, contemporary look Renewal by Andersen replacement casement windows add to your home.

Renewal by Andersen of Long Island is your source for Andersen Replacement windows throughout Nassau County, Suffolk County, Queens County and Brooklyn. As the window replacement division of Andersen Windows, we draw on the over 110-year Andersen tradition of quality, innovation and craftsmanship to provide you with the best windows that bring beauty and energy-efficiency to your home every day for a lifetime.

In a day and age when remodeling companies come and go, Renewal by Andersen of Long Island provides you with the peace of mind of dealing with the strength and security of the Andersen name, combined with the service of working with your Long Island neighbors, who have been serving Long Islanders like you from Brooklyn to Montauk for over 30 years!

Our turnkey process begins with your call and includes a respectful in-home sales consultation, custom-manufacturing of replacement windows to precisely fit your home and installation by a well-trained and dedicated team of professionals with your best interests at heart. Best of all, we stand behind our products and installation with one of the strongest warranties in the replacement window business.

As our president, Joe Ronzino, a lifelong Long Islander with decades of experience in the window and home remodeling experience said, “I thoroughly researched all the windows in the market before I chose to represent Renewal by Andersen replacement windows back in 2007. They are simply the best replacement window on the market and the only window I would install in my own home.”

For more information, give us a call for your free, in-home design consultation today.

Acclaim & Accolades

Our Showrooms

  • Farmingdale

    Farmingdale
    2029 New Highway
    Farmingdale, NY 11735

    Showroom Hours

    Mon - Sat: 9am - 5pm

Recent Reviews

What Our Customers Are Saying

Overall Customer Rating
4.7 / 5.0 based on 2170 reviews
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  • 5

    Our sales rep was very professional and explained a lot about the process. It would have been nice if he had told us that since they are custom windows, the windows will be smaller than the original ones, in order to fit in the space. The man who measured the windows ended up telling us that. In addition, it would've been nice to know that you can't open the windows for 48 hrs after installation, as we would not have planned it for a time when we would've liked to open them. Window mouldings were chosen for our windows but we were not consulted on which colors to use (choice between white or natural wood color), we would've liked to make that decision before the materials were brought. Otherwise, everything else went fine with the installation.

  • 5

    Very satisfied with the communication and carrying thru w/ their words.

  • 5

    This was a repeat performance, and it was excellent. The installers stayed extra hours on a very hot day to make sure the job was 100% complete and perfection was accomplished. Great product and great talented professionals doing the job ! A++++

  • 5
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  • 5

    They came on time and greeted me with smiles.The delivery and installation was superb. The men explained what they were going to do and asked where I wanted everything. They covered all my floors and decks. They covered all my tables. The installation was done quietly and the work space was left immaculate. All the garbage was taken away. I was able to complete my work calls and didn't even know they where here. We love our new sliding door and screen! The basement windows make my downstairs pop! Well worth the wait time for our order.

Mobile App

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See how Renewal by Andersen® windows will look in your home with our visualization application.


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By providing your e-mail address or phone number above, you may receive an e-mail or text message (depending on what method of contact you provide) that includes a link to download the Hover application, which is a Renewal by Andersen branded application and may be referred to on this page as the visualization application.  By providing your e-mail address and/or phone number, you are agreeing: to receive an e-mail or text message that includes a link to the visualization application, to receive additional e-mails and texts related to the visualization application and/or Renewal by Andersen products and services, to accept the Hover Terms of Use and Privacy Policy, and that you understand that data and text rates may apply and such rates will be solely your responsibility. The e-mail(s) or text message(s) may come from a third party, such as Marlimar Mobile Strategies or any Renewal non-corporate owned affiliate locations. See the links in this sentence for Marlimar’s Terms of Use and Privacy Policy. See the links at the bottom of this web page for Renewal’s Terms of Use and Privacy Policy.  To opt out of receiving communications, text STOP to 96714 or click on the unsubscribe link in any e-mail you receive.  You may opt out/unsubscribe at any time. For additional help, text HELP to 96714.  Support related to receiving a link to the visualization application is currently available Monday through Friday 9am – 6pm eastern time.