Promotional value expires 120 days after purchase. Amount paid never expires. Appointment required, contact by phone at (888) 268-1072. Valid only within 40 miles of zip code 30334. Based on a whole house duct cleaning any additional supplies, returns, and trunk lines are an additional $40 each. $89 hook up fee may apply if we can't gain access to the trunk lines Excludes apartments and mobile homes. One per household. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings