Promotional value expires 120 days after purchase. Amount paid never expires. Valid only within 20 miles of zip code 08520. Appointment required. Valid only for 8 feet of dryer vent. Valid only for one HVAC unit. Additional fees may apply for excessive dust build-up or houses that haven’t been cleaned in more than 3 years. Not valid for apartments buildings with no elevators. Merchant's standard cancellation policy applies (any fees not to exceed voucher price). Limit 1 per person, may buy 1 additional as gift(s). May be repurchased every 120 days. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings