Promotional value expires 60 days after purchase. Amount paid never expires. Valid only within 25 miles of zip code 20852. Appointment required. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 1 per person, may buy 2 additional as gifts. Limit 2 per household. Valid only for option purchased. Valid for dryer vent up to 6 feet. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings