If the professional charges by the square foot, it will cost about $0.15 to $0.30 per square foot. The ductwork cleaning cost for a 1,500-square-foot house can run between $225 and $450 on average.

Repairing ductwork boasts a wide cost range, from $175 to $2,000 depending on the severity of the issue and the location. For instance, patching up one leak is more budget-friendly than repairing ...