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    Your Next Generation of Home Improvement

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  • Slide Title

    Your Next Generation of Home Improvement

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  • Your Next Generation of Home Improvement

    Your Next Generation of Home Improvement

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An Offer Just For You!

Free Window
For a limited time, when you purchase 3 Park Avenue windows you will get the 4th window free!
50-Year Limited Warranty. NexGen is the exclusive Park Avenue Dealer in Upstate NY. Park Avenue Windows are highest-rated in the industry for energy efficiency. Expires 11/30/17
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Welcome to Nexgen Windows & Doors LLC


At Nexgen Windows & Doors LLC, our goal is to save you money while enhancing the value of your property by offering the finest window and door services around. Our team has more than 40 years of combined experience in the window and door industry, helping homeowners save money and limit energy expenditures.

The right windows and doors can do wonders for your home. They can enhance the beauty of your property as well as eliminate the need for expensive repairs or replacements. We can help you select the right windows and doors for your home, family, and environment. Our designers and engineers have developed a system that takes the guesswork out of “window shopping” and gives you exactly what you want and need. 

Introducing the Exclusive Park Avenue Collection 


Nexgen Windows & Doors LLC provides the exclusive Park Avenue Collection, which is an advanced treatment for energy-efficiency for windows. We use high-tech window engineering techniques to provide strength and durability for your windows, which in turn will increase your energy efficiency.  

Call Nexgen Windows & Doors LLC today to request a free in-home consultation and discuss our featured products. Our products include bay windows, steel and fiberglass entry doors, double-hung windows, sliding patio doors, and more. Contact us for a free, no-obligation estimate. Our work can be found throughout Western New York including Clarence, NY; Cheektowaga, NY; West Seneca, NY; Hamburg, NY; Orchard Park, NY; Amherst, NY; Tonawanda, NY; Kenmore, NY; and Williamsville, NY.
Park Avenue Windows

Energy Efficient Windows in the Amherst, Williamsville, Cheektowaga & Hamburg, NY Areas

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