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Cost to run a window air conditioner in Tennessee
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$0.12/hour
Window Air Conditioner at 900 W in Tennessee (13.42¢/kWh) · $29.37/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.12 | $3.67 | $44.08 |
| 2 h/day | $0.24 | $7.34 | $88.17 |
| 4 h/day | $0.48 | $14.69 | $176.34 |
| 8 h/day | $0.97 | $29.37 | $352.68 |
| 12 h/day | $1.45 | $44.06 | $529.02 |
| 24 h/day | $2.90 | $88.12 | $1,058.03 |
A 8,000-10,000 BTU window unit draws roughly 700-1,000 W while the compressor runs.
Same appliance, nearby states
FAQ
How much does it cost to run a window air conditioner in Tennessee?
At 900 W and 13.42¢/kWh: $0.12 per hour, $0.97 per day and $29.37 per month at 8 h/day.
How does Tennessee compare with other states?
The same use costs $27.84/month in Nevada (cheapest) and $103.27/month in Hawaii (most expensive); the US average is $39.75.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Window Air Conditioner cost calculator · Electricity cost in Tennessee
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