Basic
$10 – $30 per linear ft
Sheet metal trunk with R-8 insulated flex branches and sheet metal collars, wide-strap supports, joints sealed with mastic

Install new residential HVAC supply/return ductwork (sheet metal or insulated flex) with fittings, per linear foot of run.
Install Duct in Wilmington, Delaware typically costs $12 to $36 per linear ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Wilmington are 4.0% higher than the national average for install duct.
National average: $12 – $35 per linear ft
$10 – $30 per linear ft
Sheet metal trunk with R-8 insulated flex branches and sheet metal collars, wide-strap supports, joints sealed with mastic
$12 – $36 per linear ft
Sheet metal trunk with R-8 insulated flex branches, mastic-sealed joints, proper hangers and supports, short direct runs
$15 – $45 per linear ft
Sheet metal trunk with rigid elbows and R-8 insulated flex branches, mastic-sealed, balancing damper at each branch
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $5.24 – $15 | linear ft |
| Labor | labor | $4.66 – $14 | linear ft |
| Supplies & Other | supplies | $1.40 – $4.06 | linear ft |
| Equipment & Disposal | equipment | $0.93 – $2.73 | linear ft |
Labor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.
BuildX Pro researches and reviews the national price range for Install Duct, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
Connect with local install duct contractors in Wilmington for personalized quotes based on your specific project.