Cost to Run a Air Purifier in New Hampshire
New Hampshire's average residential electricity rate is 27.3¢/kWh as of May 2026 — the 43rd cheapest in the country, 48% above the U.S. average. At typical usage (24 hours/day (always on)), a air purifier here costs $7.97 per month.
Per hour
1.1¢
at 20–100 W
Per day
$0.26
24 hours/day (always on)
Per month
$7.97
29 kWh
Per year
$95.66
350 kWh
By usage level in New Hampshire
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (12 hrs/day) | $0.13 | $3.98 | $47.83 |
| Typical (24 hrs/day) | $0.26 | $7.97 | $95.66 |
| Heavy (24 hrs/day) | $0.52 | $15.93 | $191 |
New Hampshire 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 New Hampshire?
At New Hampshire's current average residential rate of 27.3¢/kWh (May 2026), a air purifier with typical usage costs about $0.26 per day, $7.97 per month, or $95.66 per year.
Is running a air purifier in New Hampshire more expensive than average?
Yes. New Hampshire's electricity costs about 48% more than the U.S. average, so the same usage costs $7.97 per month here versus $5.37 nationally.
What does electricity cost in New Hampshire right now?
New Hampshire residents pay an average of 27.3¢ per kWh as of May 2026 — the 43rd cheapest rate of the 51 U.S. jurisdictions we track.