Cost to Run a Humidifier in Iowa
Iowa's average residential electricity rate is 16¢/kWh as of July 2026 — the 23rd cheapest in the country, 13% below the U.S. average. At typical usage (10 hours/day), a humidifier here costs $1.95 per month.
Per hour
0.6¢
at 20–300 W
Per day
6.4¢
10 hours/day
Per month
$1.95
12 kWh
Per year
$23.36
146 kWh
By usage level in Iowa
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 3.2¢ | $0.97 | $11.68 |
| Typical (10 hrs/day) | 6.4¢ | $1.95 | $23.36 |
| Heavy (20 hrs/day) | $0.13 | $3.89 | $46.72 |
Iowa vs. the rest of the country
Monthly cost at typical usage.
Iowa $1.95
Midwest average $2.08
U.S. average $2.23
Frequently asked questions
How much does it cost to run a humidifier in Iowa?
At Iowa's current average residential rate of 16¢/kWh (July 2026), a humidifier with typical usage costs about 6.4¢ per day, $1.95 per month, or $23.36 per year.
Is running a humidifier in Iowa more expensive than average?
No — it's cheaper. Iowa's rate is about 13% below the U.S. average: $1.95 per month here versus $2.23 nationally.
What does electricity cost in Iowa right now?
Iowa residents pay an average of 16¢ per kWh as of July 2026 — the 23rd cheapest rate of the 51 U.S. jurisdictions we track.
Humidifier costs in nearby states
What else costs to run in Iowa
Electric Furnace $292/mo Central Air Conditioner $136/mo Heat Pump $117/mo Pool Heater (Heat Pump) $97.28/mo Garage Heater $72.96/mo Electric Water Heater $63.48/mo Tankless Electric Water Heater $61.29/mo Space Heater $58.37/mo Baseboard Heater $58.37/mo Oil-Filled Radiator Heater $58.37/mo Pool Pump $58.37/mo EV Charging (Level 2, Home) $48.64/mo