Cost to Run a Portable Air Conditioner in New Hampshire
New Hampshire's average residential electricity rate is 26.6¢/kWh as of July 2026 — the 44th cheapest in the country, 45% above the U.S. average. At typical usage (8 hours/day), a portable air conditioner here costs $64.69 per month.
Per hour
$0.27
at 700–1,500 W
Per day
$2.13
8 hours/day
Per month
$64.69
243 kWh
Per year
$777
2,920 kWh
By usage level in New Hampshire
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.06 | $32.35 | $388 |
| Typical (8 hrs/day) | $2.13 | $64.69 | $777 |
| Heavy (16 hrs/day) | $4.26 | $129 | $1,553 |
New Hampshire vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a portable air conditioner in New Hampshire?
At New Hampshire's current average residential rate of 26.6¢/kWh (July 2026), a portable air conditioner with typical usage costs about $2.13 per day, $64.69 per month, or $777 per year.
Is running a portable air conditioner in New Hampshire more expensive than average?
Yes. New Hampshire's electricity costs about 45% more than the U.S. average, so the same usage costs $64.69 per month here versus $44.51 nationally.
What does electricity cost in New Hampshire right now?
New Hampshire residents pay an average of 26.6¢ per kWh as of July 2026 — the 44th cheapest rate of the 51 U.S. jurisdictions we track.