Basic
$219 – $876 each
Leaks sealed with listed foil duct tape, small holes patched with sheet metal and taped, loose joints reconnected

HVAC technician repair of residential ductwork at one or a few locations (seal leaks, patch holes, reconnect or replace a short section); not whole-system replacement.
Repair HVAC Duct Line in Seattle, Washington typically costs $258 to $1,031 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Seattle are 19.0% higher than the national average for repair hvac duct line.
National average: $225 – $900 each
$219 – $876 each
Leaks sealed with listed foil duct tape, small holes patched with sheet metal and taped, loose joints reconnected
$258 – $1,031 each
Leaks sealed with duct mastic, patches screwed and mastic-sealed, disconnected run reattached with straps and clamps
$322 – $1,288 each
Damaged short section replaced, all nearby joints mastic-sealed, insulation wrap restored, airflow checked at registers
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $105 – $421 | each |
| Labor | labor | $106 – $422 | each |
| Supplies & Other | supplies | $28 – $112 | each |
| Equipment & Disposal | equipment | $19 – $75 | each |
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local repair hvac duct line contractors in Seattle for personalized quotes based on your specific project.