Cost to Run a Furnace Blower Fan (Gas Furnace) in Illinois
Illinois's average residential electricity rate is 23.9¢/kWh as of May 2026 — the 40th cheapest in the country, 30% above the U.S. average. At typical usage (8 hours/day), a furnace blower fan (gas furnace) here costs $29.06 per month.
Per hour
$0.12
at 300–800 W
Per day
$0.96
8 hours/day
Per month
$29.06
122 kWh
Per year
$349
1,460 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.48 | $14.53 | $174 |
| Typical (8 hrs/day) | $0.96 | $29.06 | $349 |
| Heavy (16 hrs/day) | $1.91 | $58.12 | $698 |
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 23.9¢/kWh (May 2026), a furnace blower fan (gas furnace) with typical usage costs about $0.96 per day, $29.06 per month, or $349 per year.
Is running a furnace blower fan (gas furnace) in Illinois more expensive than average?
Yes. Illinois's electricity costs about 30% more than the U.S. average, so the same usage costs $29.06 per month here versus $22.37 nationally.
What does electricity cost in Illinois right now?
Illinois residents pay an average of 23.9¢ per kWh as of May 2026 — the 40th cheapest rate of the 51 U.S. jurisdictions we track.