Basic
$487 – $1,265 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 Seattle, Washington?
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 Seattle, Washington typically costs $573 to $1,489 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 Seattle, Washington
$573 – $1,489
per projectPrices in Seattle are 19.0% higher than the national average for install plenum.
National average: $500 – $1,300 per project
What you get at each price level
Standard
$573 – $1,489 per project
26-gauge galvanized plenum with mastic-sealed seams, flexible connector at the unit, branches reconnected and sealed
Premium
$716 – $1,861 per project
24-gauge galvanized plenum with mastic-sealed seams, vibration-isolating connector, external insulation wrap, static pressure checked
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $234 – $608 | job |
| Labor | labor | $235 – $610 | job |
| Supplies & Other | supplies | $62 – $162 | job |
| Equipment & Disposal | equipment | $42 – $108 | job |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
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 costs4.0% above avg
Labor costs34.0% above avg
Labor costs in Seattle 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 Seattle
Connect with local install plenum contractors in Seattle for personalized quotes based on your specific project.