Cost to Run a Central 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 central air conditioner here costs $226 per month.
Per hour
$0.93
at 2,000–5,000 W
Per day
$7.45
8 hours/day
Per month
$226
851 kWh
Per year
$2,719
10,220 kWh
By usage level in New Hampshire
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $3.72 | $113 | $1,359 |
| Typical (8 hrs/day) | $7.45 | $226 | $2,719 |
| Heavy (16 hrs/day) | $14.90 | $453 | $5,437 |
New Hampshire vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a central air conditioner in New Hampshire?
At New Hampshire's current average residential rate of 26.6¢/kWh (July 2026), a central air conditioner with typical usage costs about $7.45 per day, $226 per month, or $2,719 per year.
Is running a central 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 $226 per month here versus $156 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.