Air Duct Cleaning Cost in Fort Collins, Colorado
Expect to pay $400 to $920 for air duct cleaning in Fort Collins, CO (whole house). Most homeowners end up near $690, depending on the equipment tier and how much of the old setup can be reused.
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Fort Collins Weather and HVAC Load
In a normal year, Fort Collins racks up 5,797 heating and 624 cooling degree days (NOAA 1991-2020 normals). Heating is the bigger job here, and furnaces and heat pumps in Fort Collins put in far more hours than the air conditioner. On average, Fort Collins gets 150 freezing nights and 30 days above 90°F per year. Snowfall averages about 51 inches.
| Heating degree days / year | 5,797 |
|---|---|
| Cooling degree days / year | 624 |
| Nights at or below 32°F | 150 |
| Days above 90°F | 30 |
| Average low / high | 37°F / 64.5°F |
Fort Collins Housing Stock
Half the homes in Fort Collins were built before 1992 (Census ACS median), so the typical house is about 34 years old. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. Fort Collins has roughly 37,000 owner-occupied homes, or 52.1% of households. The median home value is $548,400, and median household income is $83,598. We use both figures to adjust labor and pricing for this page.
Larimer County had 22 hail days and 9 days with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. The largest hail reported was 2.5 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
- You moved into a house with no maintenance records
- You just finished a remodel
- Signs of mice or insects in the ducts
- A musty smell after a leak or flood
What Moves the Price
- Adding a dryer vent cleaning
- House size and duct layout
- Sanitizing or mold treatment
- How hard it is to reach ducts in the attic or crawlspace
- How many supply and return vents the house has
For Fort Collins we raised the national figures about 15%, based on local income, home values and climate-based equipment sizing. Get at least three written quotes; real bids can land outside this range.
What the Quote Should Cover
- Before-and-after photos
- Cleaning the registers and grilles
- Inspecting the supply and return ducts
- Cleaning under negative pressure with a truck or portable vacuum
- Cleaning the blower compartment
Colorado Permits, Efficiency Rules and Rebates
Colorado 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
- If the ducts leak, have them sealed during the same visit.
- Watch out for $99 whole-house deals. They tend to turn into upsells once the crew is inside.
- Put in a new filter as soon as the cleaning is done.
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Air Duct Cleaning Questions from Fort Collins Homeowners
How much is air duct cleaning in Fort Collins?
Plan on $400 to $920, with most jobs near $690. 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 Fort Collins?
Between late spring and early fall. Fort Collins averages 150 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 Fort Collins
- Aurora $390 to $880
- Lakewood $410 to $930
- Colorado Springs $380 to $870
- Denver $420 to $960
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Fort Collins; NOAA Storm Events Database 2020-2025, Larimer County. Prices are our estimates, not contractor quotes. Updated 2026.