Promotional value expires 90 days after purchase. Amount paid never expires. 72-hr advance notice required. Screen cleaning only valid for screens currently on windows. Not valid for homes with original windows built before 1990. Additional fee $6/window (inside & out). Area of service is up to two stories from the exterior. $20 additional fee for interior 2nd story ladder work. Not valid for French pane or combinations of storm windows. Valid only within 15 miles of zip code 55391. Limit 1 per person, may buy 2 additional as gift(s). May be repurchased every 180 days. New customers only. Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings