Basic
$192 – $767 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 Baltimore, Maryland typically costs $226 to $902 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Baltimore are in line with the national average for repair hvac duct line.
National average: $225 – $900 each
$192 – $767 each
Leaks sealed with listed foil duct tape, small holes patched with sheet metal and taped, loose joints reconnected
$226 – $902 each
Leaks sealed with duct mastic, patches screwed and mastic-sealed, disconnected run reattached with straps and clamps
$282 – $1,128 each
Damaged short section replaced, all nearby joints mastic-sealed, insulation wrap restored, airflow checked at registers
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $103 – $413 | each |
| Labor | labor | $77 – $306 | each |
| Supplies & Other | supplies | $28 – $110 | each |
| Equipment & Disposal | equipment | $18 – $73 | each |
Material costs in Baltimore run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local repair hvac duct line contractors in Baltimore for personalized quotes based on your specific project.