Cost to Run a Window Air Conditioner in Pennsylvania
Pennsylvania's average residential electricity rate is 21.7¢/kWh as of July 2026 — the 38th cheapest in the country, 19% above the U.S. average. At typical usage (8 hours/day), a window air conditioner here costs $47.50 per month.
Per hour
$0.20
at 500–1,500 W
Per day
$1.56
8 hours/day
Per month
$47.50
219 kWh
Per year
$570
2,628 kWh
By usage level in Pennsylvania
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.78 | $23.75 | $285 |
| Typical (8 hrs/day) | $1.56 | $47.50 | $570 |
| Heavy (16 hrs/day) | $3.12 | $94.99 | $1,141 |
Pennsylvania vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a window air conditioner in Pennsylvania?
At Pennsylvania's current average residential rate of 21.7¢/kWh (July 2026), a window air conditioner with typical usage costs about $1.56 per day, $47.50 per month, or $570 per year.
Is running a window air conditioner in Pennsylvania more expensive than average?
Yes. Pennsylvania's electricity costs about 19% more than the U.S. average, so the same usage costs $47.50 per month here versus $40.06 nationally.
What does electricity cost in Pennsylvania right now?
Pennsylvania residents pay an average of 21.7¢ per kWh as of July 2026 — the 38th cheapest rate of the 51 U.S. jurisdictions we track.