Keeping ducts clean for safe indoor air quality. We all have to do it to keep our buildings clean and scams are common. Guest expert; Vito Moscato is a ventilation industry leader. Vito has been a member of NADCA since 2002 and serves on the certification committee. Together we will discuss the truth about proper duct cleaning, common scams, and how you can protect your home AND money, by hiring a reliable company.