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PO Box 810, East Amherst, NY 14051

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Servicing all of Western New York!

(716) 568-4245

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We are extremely proud and excited to announce an extraordinary offer for our 2024 Nexgen Windows & Doors customers!

We are extending an opportunity to receive a "Free 5-day Cape Cod Vacation Getaway" in expression of our appreciation for your business!

Ask us for additional details or click the button below and we would be very happy to share this opportunity with you!

Click here for more info!

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Your Next Generation of Home Improvement

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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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Nexgen Windows & Doors
Offering Window Installation, Window Replacement, Exterior Doors & More

Window Replacement in Cheektowaga, Tonawanda, Orchard Park, & Hamburg, NY

Energy Savings

Windows

Doors

Window Installation in Cheektowaga, Tonawanda, Orchard Park, & Hamburg, NY

Free Quote

Window and Door Company
Serving Amherst, Buffalo & All of WNY

At Nexgen Windows & Doors LLC, our goal is to save you money while enhancing the value of your property by offering the finest replacement windows and exterior doors around. Our team has more than 40 years of combined experience in the industry, helping homeowners in the Clarence, Lancaster, East Amherst, and Buffalo, NY areas save money and limit energy expenditures thanks to high-quality door and window installations.

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 interior home designers and engineers have developed a system that takes the guesswork out of “window shopping” and gives you exactly what you want and need.

Reach out to us today for a free quote on your window installation, door replacement, or other home improvement project!

See What Our Customers Say About Us

I had my downstairs windows replaced in May 2016, and finished the upstairs in April 2017. The Nexgen installers were prompt, polite, thorough, and updated me throughout the day on what was going on. Also, it was the same 2 installers for both dates used, a year apart, showing stability within the company. During the April 2017 install rain was in the forecast, so they made sure to complete all work they started as not to leave anything open to the elements. Also they honored their promise that if I completed any additional work within 18 months of my initial work that the pricing would be the same as the original quote.

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See What Our Customers Say About Us

The doors are wonderful. We've gotten numerous compliments on the entry doors. We chose the glamor glass for one door. They have improved the look of our house and are very energy efficient. The sliding glass doors are of A++ quality as well. Absolutely no drafts and they are so easy to open. I can't wait to complete our addition so we can add the windows we purchased. The customer service was very knowledgeable and friendly too. We will be purchasing more windows for our apartments in the near future as well. I will recommend this company to all my family and friends for all of their window and door needs!

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See What Our Customers Say About Us

Randy & his partner where very professional in removal & install of window & clean up. They put covers on our floor & one to cover the sink.

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Exclusive Ultra Weld Window and Patio Door Collection by Polaris

Nexgen Windows & Doors LLC provides the exclusive Polaris 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.

Energy Efficient Windows in Tonawanda, Lancaster, Amherst & all of Western New York

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 window installation work can be found throughout Western New York including Lancaster, NY; Clarence, NY; Cheektowaga, NY; West Seneca, NY; Hamburg, NY; Orchard Park, NY; East Amherst, NY; Tonawanda, NY; Kenmore, NY; and Williamsville, NY.

Nexgen Windows & Doors LLC has earned these badges as proof that we are an "Expert in Superior Customer Service" and that we come very highly recommended in our communities that we serve!