Promotional value expires 120 days after purchase. Amount paid never expires. Appointment required. Valid only within 25 miles of zip code 85018, 85711, 91607,54914, and 66113. Additional fee applies for homes over 1,500 sq. ft. Air handler cleaning and sanitizing are offered at additional cost. Limit 1 per person, may buy 1 additional as gift(s). May be repurchased every 90 days. Limit 1 per household. Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.