About Company

Big L Windows & Doors is a Cheektowaga, NY window and door company serving Buffalo and Western New York for more than 40 years that offers replacement and new-construction windows, entry and patio doors, storm doors, professional installation, financing options, a Total Trust guarantee covering labor beyond manufacturer warranties, and ongoing service and warranty support; Big L Windows & Doors positions the company as a customer-focused local provider emphasizing quality products, skilled installation crews, a showroom presence, and responsive post-sales service.

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