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Window World

America's Exterior Remodeler for windows, doors, siding, and more.

Last updated September 2, 2026

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Overview

Window World is a company founded in 1995, headquartered in North Wilkesboro, North Carolina. It offers energy-efficient replacement windows, exterior doors, siding, and more for homeowners across the USA. With over 200 locations nationwide, it has become the largest window replacement company in the United States. The company emphasizes quality products, professional installation, and guaranteed low prices.

History

Window World was founded in 1995 by Todd and Tammy Whitworth, who started with two stores. The company's headquarters is in North Wilkesboro, North Carolina. In 2008, Window World Cares was established, partnering with St. Jude Children's Research Hospital, leading to $20 million in donations and the opening of the Window World Dining Room on the St. Jude campus. Tammy Whitworth became CEO in 2010. The company expanded its product offerings to include windows, patio doors, entry doors, siding, roofing, gutters, and more.

Products and positioning

Nationally known, locally owned; quality and service beyond average window company.

Product categories. Vinyl replacement windows · Entry doors · Patio doors · Siding · Shutters · Garage doors · Storm doors · Impact windows and doors

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