Cost to Run a Humidifier in Idaho
Idaho's average residential electricity rate is 12.7¢/kWh as of April 2026 — the 2nd cheapest in the country, 32% below the U.S. average. At typical usage (10 hours/day), a humidifier here costs $1.54 per month.
Per hour
0.5¢
at 20–300 W
Per day
5.1¢
10 hours/day
Per month
$1.54
12 kWh
Per year
$18.54
146 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 2.5¢ | $0.77 | $9.27 |
| Typical (10 hrs/day) | 5.1¢ | $1.54 | $18.54 |
| Heavy (20 hrs/day) | $0.10 | $3.09 | $37.08 |
Idaho vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in Idaho?
At Idaho's current average residential rate of 12.7¢/kWh (April 2026), a humidifier with typical usage costs about 5.1¢ per day, $1.54 per month, or $18.54 per year.
Is running a humidifier in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 32% below the U.S. average: $1.54 per month here versus $2.29 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 12.7¢ per kWh as of April 2026 — the 2nd cheapest rate of the 51 U.S. jurisdictions we track.