Basic
$3.12 – $9.36 per linear ft
R-6 flex duct where code allows and R-8 in attics, pulled tight, clamped at collars and taped, strapped at set spacing

Supply and install insulated flexible HVAC duct runs (4-12 inch) with collars, straps and sealed connections.
Flexible Ducting in Birmingham, Alabama typically costs $3.67 to $11 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 Birmingham are 10.0% lower than the national average for flexible ducting.
National average: $4 – $12 per linear ft
$3.12 – $9.36 per linear ft
R-6 flex duct where code allows and R-8 in attics, pulled tight, clamped at collars and taped, strapped at set spacing
$3.67 – $11 per linear ft
R-8 insulated flex duct, inner liner clamped and sealed with mastic, outer jacket taped, minimal sag
$4.59 – $14 per linear ft
R-8 flex duct with metalized vapor jacket, mastic-sealed connections, wide saddles at supports, short direct runs and easy bends
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.73 – $5.18 | linear ft |
| Labor | labor | $1.18 – $3.53 | linear ft |
| Supplies & Other | supplies | $0.46 – $1.38 | linear ft |
| Equipment & Disposal | equipment | $0.31 – $0.92 | linear ft |
Material costs in Birmingham run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local flexible ducting contractors in Birmingham for personalized quotes based on your specific project.