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It is best for your house's system, as well as your health, to have your ductwork cleaned at least once every two years.

There is no recommended time specifically that is required to have ducts cleaned. Most of the time ductwork is a very minor source of pollutants in the home. Opening the front door lets in more pollutants than ductwork produces. Duct work should be inspected every several years to make sure there is no mold or critters in there.

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15y ago

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