Promotional value expires 180 days after purchase. Amount paid never expires. Valid only within 25 miles of zip code 75248. Not valid toward taxes. Appointment required. Please call before purchasing for consultation and to check availability. Valid only for ducts associated with 1 AC unit. The deal covers only 25% of the full cleaning service. The main purpose of purchasing this deal is to receive a big discount for all the additional charges of the remaining 75% of the full cleaning that are necessary and required to complete the entire air duct cleaning process. Complete detailed information about the air duct cleaning process can be given in advance. Does not include registers removal, mold, disinfection, intake/return air cleaning, or clogged dryer vent cleaning service. Limit 1 per household. Not valid for apartments or condos. Subject for an additional charge for 1 AC unit with more than 1 thermostat. Valid only for option purchases. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Offer is not eligible for our promo codes or other discounts. Learn about Strike-Through Pricing and Savings