Air Duct Cleaning Cost in Bozeman, Montana
Expect to pay $410 to $940 for air duct cleaning in Bozeman, MT (whole house). Most homeowners end up near $700, depending on the equipment tier and how much of the old setup can be reused.
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Bozeman Weather and HVAC Load
In a normal year, Bozeman racks up 7,827 heating and 229 cooling degree days (NOAA 1991-2020 normals). Heating is the bigger job here, and furnaces and heat pumps in Bozeman put in far more hours than the air conditioner. On average, Bozeman gets 178 freezing nights and 12 days above 90°F per year. Snowfall averages about 91 inches.
| Heating degree days / year | 7,827 |
|---|---|
| Cooling degree days / year | 229 |
| Nights at or below 32°F | 178 |
| Days above 90°F | 12 |
| Average low / high | 32°F / 56.2°F |
Bozeman Housing Stock
The median Bozeman home dates to 1998, according to the Census ACS. That makes the typical house about 28 years old. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. About 10,000 households here own their home, 44.6% of the occupied total. The median home value is $614,900, and median household income is $79,903. We use both figures to adjust labor and pricing for this page.
NOAA storm reports for Gallatin County show 9 hail days and 19 days with damaging thunderstorm winds over the six years from 2020 to 2025. The largest hail reported was 1.75 inches across. Hail flattens the thin aluminum fins on condenser coils and cuts airflow. After a big storm, take a look at the outdoor unit; homeowners insurance often covers the damage.
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
- You moved into a house with no maintenance records
What Moves the Price
- How hard it is to reach ducts in the attic or crawlspace
- How many supply and return vents the house has
- Adding a dryer vent cleaning
- Sanitizing or mold treatment
- House size and duct layout
We raised the national figures about 17% for Bozeman 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 the registers and grilles
- Before-and-after photos
- Inspecting the supply and return ducts
- Cleaning under negative pressure with a truck or portable vacuum
- Cleaning the blower compartment
Montana Permits, Efficiency Rules and Rebates
Montana 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.
- If the ducts leak, have them sealed during the same visit.
- Ask whether the company follows NADCA standards.
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Air Duct Cleaning Questions from Bozeman Homeowners
How much is air duct cleaning in Bozeman?
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 Bozeman?
Between late spring and early fall. Bozeman averages 178 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 Bozeman
- Butte $320 to $720
- Great Falls $330 to $750
- Missoula $360 to $830
- Billings $350 to $800
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Bozeman Montana State University; NOAA Storm Events Database 2020-2025, Gallatin County. Prices are our estimates, not contractor quotes. Updated 2026.