Your air ducts should be cleaned every two to five years. This is a pretty big gap, which leaves some people wondering if they need theirs cleaned closer to the two-year mark or closer to the five-year mark. Here at Dust Doctors, we want everyone to know the signs that you should look for when determining when your ducts should be cleaned. Here are a few of the most common signs that tell you it is time to have your ducts cleaned.

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