Basic
$445 – $1,334 each
28-gauge galvanized sheet metal plenum sized to the return opening, screwed to the unit, joints sealed with foil tape
How Much Does Return Air Plenum Cost in Washington, District of Columbia?
Supply and install one return-air plenum box (sheet metal, sealed to the furnace/air handler); return-duct changes, filter racks and access repairs extra.
Return Air Plenum in Washington, District of Columbia typically costs $523 to $1,570 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Return Air Plenum in Washington, District of Columbia
$523 – $1,570
eachPrices in Washington are 5.0% higher than the national average for return air plenum.
National average: $500 – $1,500 each
What you get at each price level
Standard
$523 – $1,570 each
26-gauge galvanized plenum, seams and unit connection sealed with duct mastic, fastened and supported
Premium
$654 – $1,962 each
24-gauge galvanized plenum with acoustic liner, mastic-sealed seams, flexible canvas connector to cut vibration
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $236 – $709 | each |
| Labor | labor | $182 – $546 | each |
| Supplies & Other | supplies | $63 – $189 | each |
| Equipment & Disposal | equipment | $42 – $126 | each |
Prices adjusted for Washington local market conditions.
Cost Factors in Washington, District of Columbia
What Affects Pricing
- Materials ($225.00-$675.00 per unit)
- Labor ($175.00-$525.00 per unit)
- Supplies & Other ($60.00-$180.00 per unit)
- Equipment & Disposal ($40.00-$120.00 per unit)
Local Price Adjustments
Material costs5.0% above avg
Labor costs4.0% above avg
Frequently Asked Questions
How we price this
BuildX Pro researches and reviews the national price range for Return Air Plenum, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked 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 return air plenum contractors in Washington for personalized quotes based on your specific project.