$850 off each patio door. $350 off each window. Offer expires 3/31/20. Minimum purchase of 4 or more windows or patio doors. Offer does not include bay/bow windows. Cannot be combined with prior purchases or other offers. Discount applied by retail representative at time of contract execution as part of Instant Product Rewards Program which requires purchase during initial visit to qualify. 0% APR for 12 months available to qualified buyers on approved credit only. Not all customers may qualify. All financing is provided by third party lenders unaffiliated with Renewal by Andersen.