Basic
$779 – $2,141 each
Smaller-capacity electrode-canister steam humidifier with duct dispersion tube, basic wall humidistat, water line and drain
How Much Does Steam Humidifier Cost in Seattle, Washington?
Supply and install one whole-house steam humidifier on a forced-air HVAC system, including water line, drain, wiring and humidistat.
Steam Humidifier in Seattle, Washington typically costs $916 to $2,519 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Steam Humidifier in Seattle, Washington
$916 – $2,519
eachPrices in Seattle are 19.0% higher than the national average for steam humidifier.
National average: $800 – $2,200 each
What you get at each price level
Standard
$916 – $2,519 each
Mid-capacity electrode steam humidifier, digital wall control with outdoor sensor, duct high-limit humidistat, water line and drain
Premium
$1,145 – $3,149 each
Higher-capacity steam unit with digital control, outdoor reset, high-limit and airflow switches, drain-water tempering kit
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $374 – $1,030 | each |
| Labor | labor | $375 – $1,032 | each |
| Supplies & Other | supplies | $100 – $275 | each |
| Equipment & Disposal | equipment | $67 – $183 | each |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($360.00-$990.00 per unit)
- Labor ($280.00-$770.00 per unit)
- Supplies & Other ($96.00-$264.00 per unit)
- Equipment & Disposal ($64.00-$176.00 per unit)
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
- Dick Ray: Whole house humidifier installation cost 2025, dickray.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 steam humidifier contractors in Seattle for personalized quotes based on your specific project.