Cost to Run a Air Purifier in Maine
Maine's average residential electricity rate is 28.6¢/kWh as of May 2026 — the 46th cheapest in the country, 55% above the U.S. average. At typical usage (24 hours/day (always on)), a air purifier here costs $8.35 per month.
Per hour
1.1¢
at 20–100 W
Per day
$0.27
24 hours/day (always on)
Per month
$8.35
29 kWh
Per year
$100
350 kWh
By usage level in Maine
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.14 | $4.17 | $50.11 |
| Typical (24 hrs/day) | $0.27 | $8.35 | $100 |
| Heavy (24 hrs/day) | $0.55 | $16.69 | $200 |
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 28.6¢/kWh (May 2026), a air purifier with typical usage costs about $0.27 per day, $8.35 per month, or $100 per year.
Is running a air purifier in Maine more expensive than average?
Yes. Maine's electricity costs about 55% more than the U.S. average, so the same usage costs $8.35 per month here versus $5.37 nationally.
What does electricity cost in Maine right now?
Maine residents pay an average of 28.6¢ per kWh as of May 2026 — the 46th cheapest rate of the 51 U.S. jurisdictions we track.