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Air duct cleaning is generally available in various tiers or levels of service, ranging from a simple cleaning to comprehensive and something in between—“good, better, and best,” if you will. With a diversity of tools and techniques available, choosing the one that's right for you can be confusing. Here we'll break down the options available and which level of service is most appropriate for a given situation. Standard Air Duct Cleaning A standard air duct cleaning is a rudimentary cleaning—the “minimalist” approach. All air duct cleanings will consist of at least a vacuum and air pressure. The vacuum is inserted into the main trunk lines in order to create negative pressure in the ductwork system. Standard practice would then be to use air wands to blow high-pressured air into each of the vents in the branch lines to force debris toward the vacuum. Sometimes this process is helped along by air snakes or skipper balls in the main trunk. These tools consist of a metal ball at the end of an air hose that is f