Alpha Windows & Siding Inc.

Alpha Windows & Siding installs replacement windows, vinyl siding, roofing, stone and patio doors for homeowners across Long Island and Queens. The company works with homeowners who want to change the look of their house, with design consultants who help choose styles and colors for each project.

Free estimates are offered, and the company advertises 0% APR financing through a partner, with an online application that gives an instant credit decision. Homeowners can visit the showroom in Massapequa during weekday and Saturday hours, or call ahead for an appointment outside those times. The company also lists showrooms in Greenvale and Commack.