Cost to Run a Window Air Conditioner in Tennessee
Tennessee's average residential electricity rate is 14.9¢/kWh as of April 2026 — the 15th cheapest in the country, 21% below the U.S. average. At typical usage (8 hours/day), a window air conditioner here costs $32.61 per month.
Per hour
$0.13
at 500–1,500 W
Per day
$1.07
8 hours/day
Per month
$32.61
219 kWh
Per year
$392
2,628 kWh
By usage level in Tennessee
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.54 | $16.31 | $196 |
| Typical (8 hrs/day) | $1.07 | $32.61 | $392 |
| Heavy (16 hrs/day) | $2.15 | $65.23 | $783 |
Tennessee 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 Tennessee?
At Tennessee's current average residential rate of 14.9¢/kWh (April 2026), a window air conditioner with typical usage costs about $1.07 per day, $32.61 per month, or $392 per year.
Is running a window air conditioner in Tennessee more expensive than average?
No — it's cheaper. Tennessee's rate is about 21% below the U.S. average: $32.61 per month here versus $41.15 nationally.
What does electricity cost in Tennessee right now?
Tennessee residents pay an average of 14.9¢ per kWh as of April 2026 — the 15th cheapest rate of the 51 U.S. jurisdictions we track.