Basic
$876 – $2,433 per project
Direct-drive 2-speed fan about 3,500 CFM over the ceiling opening with a gravity louver shutter, wiring to a wall switch
How Much Does Install Whole House Fan Cost in Seattle, Washington?
Supply and install one attic-floor whole-house fan with ceiling opening, louver/damper and wiring to a switch.
Install Whole House Fan in Seattle, Washington typically costs $1,031 to $2,863 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Whole House Fan in Seattle, Washington
$1,031 – $2,863
per projectPrices in Seattle are 19.0% higher than the national average for install whole house fan.
National average: $900 – $2,500 per project
What you get at each price level
Standard
$1,031 – $2,863 per project
Quiet 2-speed fan about 3,500 CFM with an insulated motorized damper over the ceiling opening, wiring to a wall control
Premium
$1,288 – $3,578 per project
Variable-speed EC-motor fan about 3,500 CFM with insulated damper doors, wiring to a wall control with timer
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $421 – $1,170 | job |
| Labor | labor | $422 – $1,173 | job |
| Supplies & Other | supplies | $112 – $312 | job |
| Equipment & Disposal | equipment | $75 – $208 | job |
Prices adjusted for Seattle local market conditions.
Install Whole House Fan photo examples
Twin-fan ventilation unit framed between attic rafters during construction
Photo: Giles Douglas · CC BY 2.0 · Source
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Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($405.00-$1,125.00 per project)
- Labor ($315.00-$875.00 per project)
- Supplies & Other ($108.00-$300.01 per project)
- Equipment & Disposal ($72.00-$199.99 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
How we price this
BuildX Pro researches and reviews the national price range for Install Whole House Fan, 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 Seattle
Connect with local install whole house fan contractors in Seattle for personalized quotes based on your specific project.