Should You Have the Air Ducts in Your Home Cleaned? | US EPA

On this page:SummaryWhat Is Air Duct Cleaning?Deciding Whether or Not to Have Your Air Ducts CleanedSuggestions for Choosing a Duct Cleaning Service ProviderWhat to Expect of an Air Duct Cleaning Service ProviderHow to Determine if the Duct Cleaner Did a Thorough JobHow to Prevent Duct ContaminationTo Prevent Dirt from Entering the SystemTo Prevent Ducts from Becoming WetUnresolved Issues of Duct CleaningDoes duct cleaning prevent health problems?Are duct materials other than bare sheet metal ducts more likely to be contaminated with mold and other biological contaminants?Should chemical biocides be applied to the inside of air ducts?Do sealants prevent the release of dust and dirt particles into the air?To Learn More About Indoor Air QualityTo Learn More About Air Duct CleaningOther Useful ResourcesConsumer ChecklistSummaryKnowledge about air duct cleaning is in its early stages, so a blanket recommendation cannot be offered as to whether you should have your air ducts in your home cl...