Air Duct Cleaning Cost in Chicago, Illinois
Air duct cleaning in Chicago runs about $600 for a typical job (whole house). Basic installs start near $350. High-efficiency equipment with duct or electrical work can reach $810.
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Chicago Weather and HVAC Load
In a normal year, Chicago racks up 6,017 heating and 861 cooling degree days (NOAA 1991-2020 normals). Heating is the bigger job here, and furnaces and heat pumps in Chicago put in far more hours than the air conditioner. Count on roughly 96 nights below 32°F and 13 afternoons past 90°F in a typical year. Snowfall averages about 39 inches.
| Heating degree days / year | 6,017 |
|---|---|
| Cooling degree days / year | 861 |
| Nights at or below 32°F | 96 |
| Days above 90°F | 13 |
| Average low / high | 44.1°F / 57.4°F |
Chicago Housing Stock
The median Chicago home dates to 1952, according to the Census ACS. That makes the typical house about 74 years old. Houses that old often still have duct runs sized for an old coal or oil furnace and 60- or 100-amp electrical panels. Both can add cost when new equipment goes in. About 522,000 households here own their home, 45.5% of the occupied total. The median home value is $315,200, and median household income is $75,134. We use both figures to adjust labor and pricing for this page.
NOAA storm reports for Cook County show 27 hail days and 75 days with damaging thunderstorm winds over the six years from 2020 to 2025. The largest hail reported was 2.75 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. Cook County also had 8 tornado days in that period.
When to Book It
- Dust puffs out of the vents when the system starts
- You just finished a remodel
- A musty smell after a leak or flood
- Signs of mice or insects in the ducts
What Moves the Price
- Sanitizing or mold treatment
- How hard it is to reach ducts in the attic or crawlspace
- Adding a dryer vent cleaning
- How many supply and return vents the house has
- House size and duct layout
We kept the national figures close to unchanged for Chicago 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
- Before-and-after photos
- Cleaning the registers and grilles
- Cleaning under negative pressure with a truck or portable vacuum
- Cleaning the blower compartment
- Inspecting the supply and return ducts
Illinois Permits, Efficiency Rules and Rebates
Illinois 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 Chicago Homeowners
How much is air duct cleaning in Chicago?
Plan on $350 to $810, with most jobs near $600. 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 Chicago?
Between late spring and early fall. Chicago averages 96 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 Chicago
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Chicago Northerly Island; NOAA Storm Events Database 2020-2025, Cook County. Prices are our estimates, not contractor quotes. Updated 2026.