Promotional value expires 120 days after purchase. Amount paid never expires. Valid only within 40 miles of zip code 63010. Appointment required. Limit 3 per person and Limit 1 per household, every 6 months. Customer may substitute room for hallway. Three room voucher valid up to 750 sq ft of total cleaning, six up to 1500 sq ft. Standard ''room'' measured at 250 sq ft. Additional fees may apply to heavily soiled areas, oriental and wool rugs. Steps are an additional $3.25 fee per step. Extra fee beyond service area. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). May be repurchased every 90 days. 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