At Renewal by Andersen, home is at the heart of everything we do. Founded in Minnesota in 1995 as the full-service window and door replacement division of Andersen Corporation—an American company with roots dating back to 1903—Renewal by Andersen has grown into one of the most trusted replacement companies in the window industry. Today, we are in more than 100 markets across the U.S. and Canada, and have earned more than one million homeowner recommendations*.