Air Duct Cleaning Cost in Washington
City-by-city comparison for the same default project size, priced with BLS metro CPI where available and a regional model elsewhere. Use the table to gauge how much your ZIP code alone will move the quote.
Cheapest Washington metro
$466
Spokane
Statewide median
$474
Across 5 Washington cities
Most expensive Washington metro
$486
Bellevue
Air Duct Cleaning — City-by-City Total
Open national calculator →| City | Cost multiplier | Typical project total | Detail |
|---|---|---|---|
| Spokane | 1.04× | $466 | Open → |
| Tacoma | 1.10× | $473 | Open → |
| Vancouver | 1.11× | $474 | Open → |
| Seattle | 1.21× | $485 | Open → |
| Bellevue | 1.22× | $486 | Open → |
All totals priced with the calculator's default scope. To re-run for your specific project size, open the city link in the right column. Local labor wages and seasonality (below) are pulled from BLS OEWS and NOAA climate normals for Washington.
Typical Project Cost by Dust / Debris Level
Adjusted for Seattle, WA (+21%)Same default project size (default scope), priced across each material tier.
| Tier | Material rate | Total project | Installed per vent |
|---|---|---|---|
| Light Routine Cleaning | — | $358 | $22 |
| Typical Dust & Debris | $21.89 | $485 | $30 |
| Heavy Buildup / Pet Hair | $33.83 | $676 | $42 |
Material rates reflect the latest BLS construction PPI adjustment. Installed totals include labor and supplies but exclude permits and any tear-out beyond the calculator's default scope.
Tier table priced for Seattle, the state's largest metro by population. Per-city totals in the table above use the same default scope across the 5 cities we cover.
Local Labor Rates Near Washington
State-level mean hourly wages from BLS OEWS, May 2023.
| Trade | SOC | Mean hourly (WA) | vs national | Loaded billing rate |
|---|---|---|---|---|
| ElectriciansMost relevant | 47-2111 | $41.86 | +30.0% | ~$100/hr |
| HVAC MechanicsMost relevant | 49-9021 | $35.41 | +23.6% | ~$85/hr |
| Plumbers & Pipefitters | 47-2152 | $40.18 | +22.4% | ~$96/hr |
| Carpenters | 47-2031 | $33.61 | +16.1% | ~$81/hr |
| Painters | 47-2141 | $27.45 | +10.8% | ~$66/hr |
| Roofers | 47-2181 | $28.45 | +9.9% | ~$68/hr |
| Construction Laborers | 47-2061 | $30.10 | +32.1% | ~$72/hr |
"Mean hourly" is the BLS OEWS state-level cross-industry mean wage paid to the worker. Loaded billing rate is a typical 2.4× multiple used in residential bids to cover overhead, insurance, taxes, vehicle, and contractor margin. Use it as a sanity check on a quoted hourly rate.
Best Months to Schedule HVAC install or replacement in Washington
Derived from NOAA climate normals for WA: heating/cooling degree days, freeze months, and annual precipitation.
Why these months
HVAC pricing follows demand. With 400 cooling and 4900 heating degree days, the worst months are when the system you're replacing is failing across the metro at once.
Booking tip
Plan replacement before peak season — late summer for furnaces, mid-spring for AC. Off-peak months can save 10–25% on labor.
Recommendations derived from Washington's climate profile (IECC zone 4C-5B, ~3 freeze months, 38" annual precipitation).
About this comparison
Project totals on this page use the calculator's default size and tier — they are designed for inter-city comparison, not as a quote. Pricing is built from the BLS residential construction PPI for materials and labor, with regional and direct metro CPI applied to capture local cost-of-living differences. Read the full methodology for source detail.