Cost to Run a Air Purifier in Maine
Maine's average residential electricity rate is 28.4¢/kWh as of April 2026 — the 46th cheapest in the country, 51% above the U.S. average. At typical usage (24 hours/day (always on)), a air purifier here costs $8.29 per month.
Per hour
1.1¢
at 20–100 W
Per day
$0.27
24 hours/day (always on)
Per month
$8.29
29 kWh
Per year
$99.51
350 kWh
By usage level in Maine
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.14 | $4.14 | $49.76 |
| Typical (24 hrs/day) | $0.27 | $8.29 | $99.51 |
| Heavy (24 hrs/day) | $0.55 | $16.58 | $199 |
Maine vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a air purifier in Maine?
At Maine's current average residential rate of 28.4¢/kWh (April 2026), a air purifier with typical usage costs about $0.27 per day, $8.29 per month, or $99.51 per year.
Is running a air purifier in Maine more expensive than average?
Yes. Maine's electricity costs about 51% more than the U.S. average, so the same usage costs $8.29 per month here versus $5.49 nationally.
What does electricity cost in Maine right now?
Maine residents pay an average of 28.4¢ per kWh as of April 2026 — the 46th cheapest rate of the 51 U.S. jurisdictions we track.