Cost to Run a Furnace Blower Fan (Gas Furnace) in Illinois
Illinois's average residential electricity rate is 19.2¢/kWh as of July 2026 — the 35th cheapest in the country, 5% above the U.S. average. At typical usage (8 hours/day), a furnace blower fan (gas furnace) here costs $23.35 per month.
Per hour
$0.10
at 300–800 W
Per day
$0.77
8 hours/day
Per month
$23.35
122 kWh
Per year
$280
1,460 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.38 | $11.67 | $140 |
| Typical (8 hrs/day) | $0.77 | $23.35 | $280 |
| Heavy (16 hrs/day) | $1.54 | $46.69 | $561 |
Illinois vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a furnace blower fan (gas furnace) in Illinois?
At Illinois's current average residential rate of 19.2¢/kWh (July 2026), a furnace blower fan (gas furnace) with typical usage costs about $0.77 per day, $23.35 per month, or $280 per year.
Is running a furnace blower fan (gas furnace) in Illinois more expensive than average?
Yes. Illinois's electricity costs about 5% more than the U.S. average, so the same usage costs $23.35 per month here versus $22.25 nationally.
What does electricity cost in Illinois right now?
Illinois residents pay an average of 19.2¢ per kWh as of July 2026 — the 35th cheapest rate of the 51 U.S. jurisdictions we track.