Cost to Run a Central Air Conditioner in Massachusetts
Massachusetts's average residential electricity rate is 29.5¢/kWh as of April 2026 — the 47th cheapest in the country, 57% above the U.S. average. At typical usage (8 hours/day), a central air conditioner here costs $251 per month.
Per hour
$1.03
at 2,000–5,000 W
Per day
$8.26
8 hours/day
Per month
$251
851 kWh
Per year
$3,015
10,220 kWh
By usage level in Massachusetts
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $4.13 | $126 | $1,507 |
| Typical (8 hrs/day) | $8.26 | $251 | $3,015 |
| Heavy (16 hrs/day) | $16.52 | $502 | $6,030 |
Massachusetts 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 Massachusetts?
At Massachusetts's current average residential rate of 29.5¢/kWh (April 2026), a central air conditioner with typical usage costs about $8.26 per day, $251 per month, or $3,015 per year.
Is running a central air conditioner in Massachusetts more expensive than average?
Yes. Massachusetts's electricity costs about 57% more than the U.S. average, so the same usage costs $251 per month here versus $160 nationally.
What does electricity cost in Massachusetts right now?
Massachusetts residents pay an average of 29.5¢ per kWh as of April 2026 — the 47th cheapest rate of the 51 U.S. jurisdictions we track.