Data through June 2026
Cost to run · Illinois · 19.9¢/kWh residential average
How much does it cost to run an air purifier in Illinois?
$29/yr · median certified model
Illinois's residential rate of 19.9¢/kWh tracks the national average (18.3¢) closely, so national cost figures translate almost directly: a median certified air purifier runs about $29 a year here.
In the national ranking, Illinois lands at 36 of 51 for what an air purifier costs to run. At local rates, certified models span $5.97 (Blueair 4612522000) to $97 (Fellowes Aeramax SV) per year — $91 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median air purifier would cost $19 and $78 a year there.
The cheapest air purifiers to run at Illinois rates
| # | Model | kWh/yr | $/yr in IL |
|---|---|---|---|
| 1 | Blueair 4612522000most efficient | 30 | $5.97 |
| 2 | DREAME CVA10Bmost efficient | 32 | $6.36 |
| 3 | AeroNova DH-JH01Amost efficient | 33 | $6.56 |
| 4 | AeroNova MK01Amost efficient | 33 | $6.56 |
| 5 | ALROCKET MK01Amost efficient | 33 | $6.56 |
| 6 | AROEVE MK01Amost efficient | 33 | $6.56 |
| 7 | BREEZOME MK01Amost efficient | 33 | $6.56 |
| 8 | Greenlite G-Pure-7Wmost efficient | 33 | $6.56 |
| 9 | KLOUDIC MK01Amost efficient | 33 | $6.56 |
| 10 | REEMKIZZ MK01Amost efficient | 33 | $6.56 |
Price any model at Illinois rates
Your rate, your numbers
- Per day
- 8¢
- Per month
- $2.45
- Per year
- $29
148 kWh/yr × 19.9¢/kWh = $29/yr
Prefilled with the median certified air purifier (148 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 an air purifier in Illinois?
- About $29 a year for the median ENERGY STAR certified air purifier, at Illinois's average residential rate of 19.9¢/kWh — that's $2.45 a month.
- Is electricity expensive in Illinois?
- Illinois's residential average of 19.9¢/kWh is 8% above the U.S. average of 18.3¢/kWh, ranking 36 of 51 jurisdictions (1 = cheapest).
- What's the cheapest air purifier to run in Illinois?
- Among currently certified models, the Blueair 4612522000 costs the least at about $5.97 a year at Illinois rates (30 kWh/yr).
- How does Illinois compare with other states?
- The same median air purifier costs $19 a year in Nevada (the cheapest state) and $78 in Hawaii (the priciest). Illinois sits at $29.
Keep digging
- All certified air purifiers compared
- Air Purifiers costs in Delaware (rank 34 of 51)
- Air Purifiers costs in Wisconsin (rank 35 of 51)
- Air Purifiers costs in Pennsylvania (rank 37 of 51)
- Air Purifiers costs in Maryland (rank 38 of 51)
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- Running a clothes washer in Illinois
- Running a computer monitor in Illinois
- Running a dehumidifier in Illinois
Rate source: US EIA, average residential price of electricity, see methodology.