Data through April 2026
Cost to run · Illinois · 20.5¢/kWh residential average
How much does it cost to run a dehumidifier in Illinois?
$70/yr · median certified model
Illinois's residential rate of 20.5¢/kWh tracks the national average (18.8¢) closely, so national cost figures translate almost directly: a median certified dehumidifier runs about $70 a year here.
Illinois ranks 36 of 51 jurisdictions for dehumidifier running costs — solidly mid-table. At local rates, certified models span $21 (CONCETTA AS-CSJ72XK-2WT-OL) to $575 (Healthy Climate HCWHD#-130) per year — $553 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median dehumidifier would cost $42 and $160 a year there.
The cheapest dehumidifiers to run at Illinois rates
| # | Model | kWh/yr | $/yr in IL |
|---|---|---|---|
| 1 | CONCETTA AS-CSJ72XK-2WT-OLmost efficient | 105 | $21 |
| 2 | Dr. Prepare DDH12LAmost efficient | 105 | $21 |
| 3 | DUMOS AS-CSJ72XK-2WT-OLmost efficient | 105 | $21 |
| 4 | edx AS-CSJ72XK-2WT-OLmost efficient | 105 | $21 |
| 5 | Gianna AS-CSJ72XK-2WT-OLmost efficient | 105 | $21 |
| 6 | IULULU AS-CSJ72XK-2WT-OLmost efficient | 105 | $21 |
| 7 | JIOABL AS-CSJ72XK-2WT-OLmost efficient | 105 | $21 |
| 8 | KMFurnila AS-CSJ72XK-2WT-OLmost efficient | 105 | $21 |
| 9 | NEWBULIG AS-CSJ72XK-2WT-OLmost efficient | 105 | $21 |
| 10 | OLIXIS AS-CSJ72XK-2WT-OLmost efficient | 105 | $21 |
Price any model at Illinois rates
Your rate, your numbers
- Per day
- 19¢
- Per month
- $5.85
- Per year
- $70
343 kWh/yr × 20.5¢/kWh = $70/yr
Prefilled with the median certified dehumidifier (343 kWh/yr). Every model page on this site carries its exact certified figure.
Questions, answered with the data
- How much does it cost to run a dehumidifier in Illinois?
- About $70 a year for the median ENERGY STAR certified dehumidifier, at Illinois's average residential rate of 20.5¢/kWh — that's $5.85 a month.
- Is electricity expensive in Illinois?
- Illinois's residential average of 20.5¢/kWh is 9% above the U.S. average of 18.8¢/kWh, ranking 36 of 51 jurisdictions (1 = cheapest).
- What's the cheapest dehumidifier to run in Illinois?
- Among currently certified models, the CONCETTA AS-CSJ72XK-2WT-OL costs the least at about $21 a year at Illinois rates (105 kWh/yr).
- How does Illinois compare with other states?
- The same median dehumidifier costs $42 a year in North Dakota (the cheapest state) and $160 in Hawaii (the priciest). Illinois sits at $70.
Keep digging
- All certified dehumidifiers compared
- Dehumidifiers costs in Wisconsin (rank 34 of 51)
- Dehumidifiers costs in Ohio (rank 35 of 51)
- Dehumidifiers costs in Michigan (rank 37 of 51)
- Dehumidifiers costs in Pennsylvania (rank 38 of 51)
- Running an air purifier in Illinois
- Running a clothes dryer in Illinois
- Running a clothes washer in Illinois
- Running a computer monitor in Illinois
Rate source: US EIA, average residential price of electricity, see methodology.