Air Duct Cleaning Cost in Montana
Across Montana, homeowners pay $350 to $810 for air duct cleaning. Climate, labor rates and housing age all move the price. In Montana's cities, the median home dates to about 1978.
Air Duct Cleaning Prices in Montana Cities
| City | Estimate | Heating / cooling degree days |
|---|---|---|
| Billings | $350 to $800 | 6,753 / 662 |
| Missoula | $360 to $830 | 7,182 / 340 |
| Great Falls | $330 to $750 | 6,942 / 421 |
| Bozeman | $410 to $940 | 7,827 / 229 |
| Butte | $320 to $720 | 9,128 / 82 |
From 2020 through 2025, NOAA recorded 1,442 winter storm and ice events, 13 heat events, 471 extreme cold events and 905 hail reports in Montana. Those are the days when emergency HVAC calls pile up.
When to Book It
- Dust puffs out of the vents when the system starts
- You just finished a remodel
- Signs of mice or insects in the ducts
- A musty smell after a leak or flood
- You moved into a house with no maintenance records
What Moves the Price
- How many supply and return vents the house has
- House size and duct layout
- Sanitizing or mold treatment
- Adding a dryer vent cleaning
- How hard it is to reach ducts in the attic or crawlspace
Common Questions
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.
Other HVAC Prices in Montana
- Furnace Replacement in Montana
- Furnace Repair in Montana
- AC Installation in Montana
- AC Repair in Montana
- Heat Pump Installation in Montana
- Heat Pump Repair in Montana
- HVAC System Replacement in Montana
- Ductless Mini-Split Installation in Montana
- Emergency HVAC Repair in Montana
- HVAC Tune-Up & Maintenance in Montana
- Boiler Replacement in Montana
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