I had a coupon from 'Money Mailer' for a $70 air duct cleaning and scheduled an appointment. A very aggressive 3 man team entered my home and before they discussed price or estimate the work began and I was then told that the $70 was an old coupon. The cost was now $109 - then there was $195 for a chemical spray - which I refused - then he stated it would be $372 for the cleaning and an additional $280. The receipt state the $372 is for HVAC system clean and the $280 is for the filter (which he stated was free). He had a thick... read full review »