*DETAILS OF OFFER - Offer expires 04/30/2019. Not valid with other offers or prior purchases. Buy 1 Renewal by Andersen window or patio door, get the second Renewal by Andersen window or patio door 40% off. Second window or door is of equal or lesser value. Minimum purchase of 4 or more windows or doors required. Additionally, receive $250 off of your Renewal by Andersen project total price after discount. Available only at participating locations. See your local Renewal by Andersen location for details. Some Renewal by Andersen locations are independently owned and operated. “ENERGY STAR” is a registered trademark of the U.S. Environmental Protection Agency. “Renewal by Andersen” and all other marks where denoted are trademarks of Andersen Corporation. ©2014 Andersen Corporation. All rights reserved. See limited warranty for details.