Air Duct Cleaning Cost in Spokane, Washington
Expect to pay $340 to $790 for air duct cleaning in Spokane, WA (whole house). Most homeowners end up near $590, depending on the equipment tier and how much of the old setup can be reused.
Compare Free Quotes in Spokane
Spokane Weather and HVAC Load
In a normal year, Spokane racks up 6,018 heating and 506 cooling degree days (NOAA 1991-2020 normals). Heating is the bigger job here, and furnaces and heat pumps in Spokane put in far more hours than the air conditioner. A normal year brings 123 nights at or below freezing and 29 days over 90°F. Snowfall averages about 45 inches.
| Heating degree days / year | 6,018 |
|---|---|
| Cooling degree days / year | 506 |
| Nights at or below 32°F | 123 |
| Days above 90°F | 29 |
| Average low / high | 38.9°F / 60.7°F |
Spokane Housing Stock
The median Spokane home dates to 1961, according to the Census ACS. That makes the typical house about 65 years old. A lot of these homes are on their second or third system by now. The ductwork is usually original, and leaky joints are common. Spokane has roughly 56,000 owner-occupied homes, or 58.3% of households. The median home value is $326,200, and median household income is $65,745. We use both figures to adjust labor and pricing for this page.
Between 2020 and 2025, NOAA's Storm Events Database logged 5 hail days and 12 days with damaging thunderstorm winds in Spokane County. The largest hail reported was 2.75 inches across. Storms here are more likely to cause power surges than coil damage, so a surge protector on the outdoor unit is worth the small cost. Spokane County also had 2 tornado days in that period.
When to Book It
- Signs of mice or insects in the ducts
- Dust puffs out of the vents when the system starts
- You just finished a remodel
- You moved into a house with no maintenance records
What Moves the Price
- Adding a dryer vent cleaning
- Sanitizing or mold treatment
- House size and duct layout
- How many supply and return vents the house has
- How hard it is to reach ducts in the attic or crawlspace
We kept the national figures close to unchanged for Spokane using local income, home values and the equipment size this climate needs. Real bids can still come in outside the range, so collect three written quotes.
What the Quote Should Cover
- Cleaning under negative pressure with a truck or portable vacuum
- Cleaning the blower compartment
- Inspecting the supply and return ducts
- Before-and-after photos
- Cleaning the registers and grilles
Washington Permits, Efficiency Rules and Rebates
Washington falls in the DOE's North region. New split central air conditioners must meet at least 13.4 SEER2, and heat pumps sold anywhere in the U.S. need 14.3 SEER2 and 7.5 HSPF2.
Before You Hire
- Watch out for $99 whole-house deals. They tend to turn into upsells once the crew is inside.
- If the ducts leak, have them sealed during the same visit.
- Put in a new filter as soon as the cleaning is done.
Get Free Air Duct Cleaning Quotes in Spokane
Tell us where you are and up to three licensed local pros will get in touch. You don't have to hire any of them.
Air Duct Cleaning Questions from Spokane Homeowners
How much is air duct cleaning in Spokane?
Plan on $340 to $790, with most jobs near $590. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule air duct cleaning in Spokane?
Between late spring and early fall. Spokane averages 123 freezing nights a year, and heating calls spike from November through February.
Does duct cleaning lower energy bills?
Not by much. Sealing leaky ducts makes a much bigger difference to efficiency and comfort.
How often should ducts be cleaned?
There's no set schedule. The EPA recommends cleaning when there's visible mold, pests or a lot of debris, not on a routine basis.
Air Duct Cleaning Near Spokane
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Spokane Felts Field; NOAA Storm Events Database 2020-2025, Spokane County. Prices are our estimates, not contractor quotes. Updated 2026.