HVAC cost guide
Air Duct Replacement Cost in 2026: Complete Ductwork Guide
Typical 2026 air duct replacement costs: $1,800 to $4,500 typical range ($3,100 national average). Compare flexible vs rigid sheet metal ducts, attic access, and permits.
Cost Snapshot
$1,800 – $4,500
Typical planning range based on the published references reviewed for this guide.
Use this estimate to prepare questions and compare written, itemized contractor proposals. Actual costs vary with project scope, materials, access, permits, and local conditions.