Basic
$433 – $1,126 per project
26-gauge galvanized sheet-metal plenum fabricated to fit, screwed and taped to the unit and existing trunks
How Much Does Install Plenum Cost in Wilmington, Delaware?
Supply and install one sheet-metal supply or return plenum at the furnace/air handler, sealed and connected to existing trunks; major duct redesign extra.
Install Plenum in Wilmington, Delaware typically costs $510 to $1,325 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Plenum in Wilmington, Delaware
$510 – $1,325
per projectPrices in Wilmington are 4.0% higher than the national average for install plenum.
National average: $500 – $1,300 per project
What you get at each price level
Standard
$510 – $1,325 per project
26-gauge galvanized plenum with mastic-sealed seams, flexible connector at the unit, branches reconnected and sealed
Premium
$637 – $1,656 per project
24-gauge galvanized plenum with mastic-sealed seams, vibration-isolating connector, external insulation wrap, static pressure checked
Cost Breakdown in Wilmington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $218 – $567 | job |
| Labor | labor | $194 – $505 | job |
| Supplies & Other | supplies | $58 – $151 | job |
| Equipment & Disposal | equipment | $39 – $101 | job |
Prices adjusted for Wilmington local market conditions.
Cost Factors in Wilmington, Delaware
What Affects Pricing
- Materials ($225.00-$584.99 per project)
- Labor ($175.00-$455.00 per project)
- Supplies & Other ($60.00-$156.01 per project)
- Equipment & Disposal ($40.00-$104.00 per project)
Local Price Adjustments
Material costs3.0% below avg
Labor costs11.0% above avg
Labor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- PickHVAC - Plenum Cost (2026), pickhvac.com, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Wilmington
Connect with local install plenum contractors in Wilmington for personalized quotes based on your specific project.