Basic
$389 – $973 each
Bypass flow-through pad humidifier on the plenum with bypass duct, water line with shutoff, drain line, manual humidistat
How Much Does Furnace Humidifier Cost in Seattle, Washington?
Install a bypass or flow-through whole-house humidifier on an existing furnace, with water line, drain, humidistat and wiring.
Furnace Humidifier in Seattle, Washington typically costs $458 to $1,145 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Furnace Humidifier in Seattle, Washington
$458 – $1,145
eachPrices in Seattle are 19.0% higher than the national average for furnace humidifier.
National average: $400 – $1,000 each
What you get at each price level
Standard
$458 – $1,145 each
Bypass flow-through humidifier with bypass damper, water line with shutoff, drain, automatic humidistat with outdoor sensor
Premium
$573 – $1,431 each
Fan-powered flow-through humidifier for higher output, water line with shutoff, drain, digital humidistat with outdoor sensor
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $187 – $469 | each |
| Labor | labor | $188 – $469 | each |
| Supplies & Other | supplies | $50 – $125 | each |
| Equipment & Disposal | equipment | $33 – $82 | each |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($180.00-$451.00 per unit)
- Labor ($140.00-$350.00 per unit)
- Supplies & Other ($48.00-$120.00 per unit)
- Equipment & Disposal ($32.00-$79.00 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
- Carrier: Whole House Humidifier Costs 2026, carrier.com, retrieved Nov 2026
- Bryant: Whole House Humidifier Cost, bryant.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 furnace humidifier contractors in Seattle for personalized quotes based on your specific project.