Promotional value expires 150 days after purchase. Amount paid never expires. Valid only within 20 miles of zip code 94159. Appointment required, subject to availability. Limit 1 per person, may buy 1 additional as gift. Limit 1 per household. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Valid for up to 1,500 square feet of carpet. Not valid for stairs or area rugs. Valid for residential only. Not valid with other offers. Must use services in one visit. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.