Cost to Run a Air Purifier in Maine
Maine's average residential electricity rate is 32.4¢/kWh as of July 2026 — the 49th cheapest in the country, 77% above the U.S. average. At typical usage (24 hours/day (always on)), a air purifier here costs $9.46 per month.
Per hour
1.3¢
at 20–100 W
Per day
$0.31
24 hours/day (always on)
Per month
$9.46
29 kWh
Per year
$114
350 kWh
By usage level in Maine
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.16 | $4.73 | $56.76 |
| Typical (24 hrs/day) | $0.31 | $9.46 | $114 |
| Heavy (24 hrs/day) | $0.62 | $18.91 | $227 |
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 32.4¢/kWh (July 2026), a air purifier with typical usage costs about $0.31 per day, $9.46 per month, or $114 per year.
Is running a air purifier in Maine more expensive than average?
Yes. Maine's electricity costs about 77% more than the U.S. average, so the same usage costs $9.46 per month here versus $5.34 nationally.
What does electricity cost in Maine right now?
Maine residents pay an average of 32.4¢ per kWh as of July 2026 — the 49th cheapest rate of the 51 U.S. jurisdictions we track.