Cost to Run a Humidifier in Massachusetts
Massachusetts's average residential electricity rate is 28.8¢/kWh as of May 2026 — the 47th cheapest in the country, 57% above the U.S. average. At typical usage (10 hours/day), a humidifier here costs $3.50 per month.
Per hour
1.2¢
at 20–300 W
Per day
$0.12
10 hours/day
Per month
$3.50
12 kWh
Per year
$42.05
146 kWh
By usage level in Massachusetts
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 5.8¢ | $1.75 | $21.02 |
| Typical (10 hrs/day) | $0.12 | $3.50 | $42.05 |
| Heavy (20 hrs/day) | $0.23 | $7.00 | $84.10 |
Massachusetts vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in Massachusetts?
At Massachusetts's current average residential rate of 28.8¢/kWh (May 2026), a humidifier with typical usage costs about $0.12 per day, $3.50 per month, or $42.05 per year.
Is running a humidifier in Massachusetts more expensive than average?
Yes. Massachusetts's electricity costs about 57% more than the U.S. average, so the same usage costs $3.50 per month here versus $2.24 nationally.
What does electricity cost in Massachusetts right now?
Massachusetts residents pay an average of 28.8¢ per kWh as of May 2026 — the 47th cheapest rate of the 51 U.S. jurisdictions we track.