Received coupon in mail for Air Duct Cleaning: Whole House -includes Vent Cover, 8 Vents, & 1 Return for $105 (reg. cost $269) Called made the appointment, came out 8-28-08: first he tells my husband that we need the unit in the attic cleaned or it will not be clean. Sits down & comes up w/$464 for the entire job - attic, all vents, & dryer vent. All he did was clean at the return, pour Clorox in pan under unit, and cleaned at dryer vent. He asked for gas money & left a mess. Will not refund but $100. VERY UNHAPPY!