Cost to Run a Humidifier in Maryland
Maryland's average residential electricity rate is 21.4¢/kWh as of July 2026 — the 37th cheapest in the country, 17% above the U.S. average. At typical usage (10 hours/day), a humidifier here costs $2.60 per month.
Per hour
0.9¢
at 20–300 W
Per day
8.6¢
10 hours/day
Per month
$2.60
12 kWh
Per year
$31.24
146 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 4.3¢ | $1.30 | $15.62 |
| Typical (10 hrs/day) | 8.6¢ | $2.60 | $31.24 |
| Heavy (20 hrs/day) | $0.17 | $5.20 | $62.49 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in Maryland?
At Maryland's current average residential rate of 21.4¢/kWh (July 2026), a humidifier with typical usage costs about 8.6¢ per day, $2.60 per month, or $31.24 per year.
Is running a humidifier in Maryland more expensive than average?
Yes. Maryland's electricity costs about 17% more than the U.S. average, so the same usage costs $2.60 per month here versus $2.23 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 21.4¢ per kWh as of July 2026 — the 37th cheapest rate of the 51 U.S. jurisdictions we track.