Mold in air ducts: signs, cleaning, and removal rules in Atlanta

This page lists the signs of mold in ducts and the Atlanta rules for who is permitted to perform duct cleaning and removal.

Signs of mold in air ducts

Common signs include musty odors, visible black spots, and increased allergies. In Atlanta, the rule for addressing this is: A permit is necessary for the installation, repair, or replacement of any HVAC equipment for residential or commercial projects..

Cleaning and removal requirements

Permit required for cleaning	Yes, an HVAC permit.

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What to do next

No company takes requests through this site for Atlanta yet: the facts above and the sources below are what there is to go on.

Sources

Office of Buildings – Electrical, HVAC or Plumbing Permits, Oct 26, 2026

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What we don't know

We left out who may perform the work, issuing office and fee: the source doesn't state it clearly enough. Ask the office or utility named on this page.