Window Replacement in Buffalo, NY

At Big L Windows and Doors we offer a complete selection of window replacement products. Find styles and price points to meet your needs whether you are a homeowner, do-it-yourselfer, architect or contractor. Our various replacement windows give you the opportunity to enhance the beauty of your home, while increasing the warmth and value for years to come. Big L Windows and Doors supplies a variety of brands to ensure we can complement your vision whether you are replacing your old windows, remodeling your home or building a new home.

Window Replacement Products

Marvin Logo

Big L Windows and Doors are partnered with Marvin® Signature, an industry leader in product innovation, energy efficiency and progressive manufacturing techniques for windows and doors. Our staff is specifically trained with Marvin expertise in mind, with not only their windows and doors, but installation of Marvin products.  We serve the greater Buffalo area, Tonawanda, Hamburg, Lancaster, Getzville, Niagara Falls, and West Seneca.

Learn more about Marvin Signature™

Marvin Logo

Marvin Elevate, formerly known as Integrity Wood-Ultrex® is made with Ultrex® pultruded fiberglass, a material patented nearly 20 years ago when Integrity pioneered the fiberglass windows and door category. Big L Windows and Doors is upstate New York’s only Marvin leader, serving not only Buffalo, but North Tonawanda, Jamestown, Depew, Lockport and East Aurora.

Learn more about Marvin Elevate™

Marvin Logo

Marvin Essential, formerly known as Integrity All Ultrex® brought together an all inclusive offer for fiberglass windows. Durability and strength are the foundation for the exteriors and interiors, making them maintenance-free. Big L Windows and Doors is your local Marvin retailer, serving not only Buffalo, but Tonawanda, Hamburg, Niagara Falls, Lancaster, Tonawanda and Cheektowaga.

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Restorations Innovative Window Systems

Restorations Innovative Window Systems are proudly featured by Big L Windows and Doors, upstate New York’s window expert. Made with PVC Fiberglass and a material called FiberCore – Restorations Windows are tough, durable, and perfect for your home.  Big L also offers professional installation to the greater Buffalo area, as well as Lancaster, Hamburg, and Bowmansville.

Learn more about Restorations Innovative Window Systems

Infinity from Marvin Windows and Doors

Big L Windows proudly features Infinity® from Marvin Windows and Doors from Marvin Windows and Doors. These fiberglass, low-maintenance, and energy efficient windows are the perfect fit for your home with the tough upstate New York winter weather in mind.  Big L Windows is the expert in Infinity Windows for Buffalo, Tonawanda, Cheektowaga, Williamsville, Orchard Park, and the Niagara Falls area.

Learn more about Infinity® from Marvin Windows and Doors

We at Big L Windows & Doors care for the safety of you and our community. With efforts to best serve you and our customers during the COVID-19 virus, we are offering free virtual appointments. Request your virtual consultation today to discuss your window replacement project, and get a free quote.

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