Most property owners do not know how air duct cleaning is done, so they are less likely to get involved with air duct cleaning in Rockville, MD. In general, there are different methods which can be utilized, but the primary one used is power vacuum and air sweep. For more details visit us at https://www.dustlessduct.com/rockville-md.aspx or Contact us:- 240-308-8373 or Address:- 100 1st St, Rockville, MD 20851 #AirDuctCleaning #AirDuctSanitizingandDisinfection #DuctCleaningServices #DuctlessRockville