Duct cleaning cost in Saint Paul

$450 to $1,200 is a practical residential planning range for duct cleaning in the Twin Cities as of September 2026, depending on system size, access, contamination, and whether returns, supplies, blower compartments, and grilles are included. Cleaning is more compelling after construction, a water event, or visible debris. Ask for the exact scope, access plan, containment, and before-and-after evidence. Be wary of a very low whole-house price that becomes a long list of add-ons.