Available by appointment on Tuesday, Thursday, and Saturday. Pella of Buffalo has been a proud provider of windows and doors and exceptional customer service to the Buffalo area for decades. From ideation to installation, we serve homeowners throughout the Buffalo–Niagara Falls region, including the communities of Cheektowaga, Olean, Salamanca, Lockport, Tonawanda and Lackawanna. Stop by our upgraded showroom to get the Pella Experience — a window and door shopping experience you won’t find anywhere else. The experience is personalized to you, so you can tailor each product, style, feature and innovation to your liking and test it out right there in the store.