This video is about air conditioning duct cleaning scams. These guys totally bust the provider. Before you hire a company to clean your ducts, watch this video, it could save you a lot of time and money. Interesting that mites don't live in ducts but that's what the advertisement is based on, check it out.
Air Duct Cleaning Scams - Part 1
Protect yourself from unscrupulous air duct cleaning companies. McAfee Air Duct Cleaning.