Promotional value expires 120 days after purchase. Amount paid never expires. Valid only within 15 miles of zip code 91331. Appointment required. One voucher per A/C unit. Additional A/C unit will be an additional cost of $99 per unit. One air return and one main are included. Sanitizing, fogging, deep cleaning, furnace/air handler cleaning not included; may be added for an additional fee. Residential use only; not valid for commercial buildings. Maintenance cleaning using a 2700 CFM negative air machine. Clogged dryer vents or dryer vents over 8 feet would be an additional cost. Limit 1 per person, may buy 5 additional as gift(s). May be repurchased every 30 days. Limit 1 per visit. Limit 2 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