Air Duct Cleaning Cost in Portland, Oregon
Our 2026 estimate for air duct cleaning in Portland, OR is $410 to $940 (whole house). That puts Portland 17% above the national average, mainly because of higher incomes and home values, which push labor rates up.
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Portland Weather and HVAC Load
Portland logs 4,167 heating degree days and 447 cooling degree days in a normal year, based on the closest NOAA weather station. Heating is the bigger job here, and furnaces and heat pumps in Portland put in far more hours than the air conditioner. On average, Portland gets 18 freezing nights and 11 days above 90°F per year. Snowfall averages about 4 inches.
| Heating degree days / year | 4,167 |
|---|---|
| Cooling degree days / year | 447 |
| Nights at or below 32°F | 18 |
| Days above 90°F | 11 |
| Average low / high | 46.9°F / 62.6°F |
Portland Housing Stock
Half the homes in Portland were built before 1966 (Census ACS median), so the typical house is about 60 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. Portland has roughly 152,000 owner-occupied homes, or 52.8% of households. With a median household income of $88,792 and a median home value of $557,600, local labor rates come out above the national middle in our model.
NOAA storm reports for Multnomah County show 2 days with damaging thunderstorm winds over the six years from 2020 to 2025. 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.
When to Book It
- Signs of mice or insects in the ducts
- You just finished a remodel
- Dust puffs out of the vents when the system starts
- A musty smell after a leak or flood
What Moves the Price
- Sanitizing or mold treatment
- Adding a dryer vent cleaning
- How hard it is to reach ducts in the attic or crawlspace
- How many supply and return vents the house has
- House size and duct layout
We raised the national figures about 17% for Portland 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 registers and grilles
- Cleaning the blower compartment
- Inspecting the supply and return ducts
- Before-and-after photos
Oregon Permits, Efficiency Rules and Rebates
Oregon 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
- Put in a new filter as soon as the cleaning is done.
- Ask whether the company follows NADCA standards.
- If the ducts leak, have them sealed during the same visit.
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Air Duct Cleaning Questions from Portland Homeowners
How much is air duct cleaning in Portland?
Plan on $410 to $940, with most jobs near $700. 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 Portland?
Between late spring and early fall. Portland averages 18 freezing nights a year, and heating calls spike from November through February.
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.
Does duct cleaning lower energy bills?
Not by much. Sealing leaky ducts makes a much bigger difference to efficiency and comfort.
Air Duct Cleaning Near Portland
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Portland KGW-TV; NOAA Storm Events Database 2020-2025, Multnomah County. Prices are our estimates, not contractor quotes. Updated 2026.