Basic
$445 – $1,156 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 Washington, District of Columbia?
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 Washington, District of Columbia typically costs $523 to $1,360 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 Washington, District of Columbia
$523 – $1,360
per projectPrices in Washington are 5.0% higher than the national average for install plenum.
National average: $500 – $1,300 per project
What you get at each price level
Standard
$523 – $1,360 per project
26-gauge galvanized plenum with mastic-sealed seams, flexible connector at the unit, branches reconnected and sealed
Premium
$654 – $1,701 per project
24-gauge galvanized plenum with mastic-sealed seams, vibration-isolating connector, external insulation wrap, static pressure checked
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $236 – $614 | job |
| Labor | labor | $182 – $473 | job |
| Supplies & Other | supplies | $63 – $164 | job |
| Equipment & Disposal | equipment | $42 – $109 | job |
Prices adjusted for Washington local market conditions.
Cost Factors in Washington, District of Columbia
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 costs5.0% above avg
Labor costs4.0% above avg
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 Washington
Connect with local install plenum contractors in Washington for personalized quotes based on your specific project.