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Cost to run a central air conditioner in Kentucky
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$0.48/hour
Central Air Conditioner at 3,500 W in Kentucky (13.80¢/kWh) · $117.47/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.48 | $14.68 | $176.30 |
| 2 h/day | $0.97 | $29.37 | $352.59 |
| 4 h/day | $1.93 | $58.73 | $705.18 |
| 8 h/day | $3.86 | $117.47 | $1,410.36 |
| 12 h/day | $5.80 | $176.20 | $2,115.54 |
| 24 h/day | $11.59 | $352.40 | $4,231.08 |
A 3-ton central AC typically draws 3,000-4,000 W while running; SEER rating and duct losses matter.
Same appliance, nearby states
FAQ
How much does it cost to run a central air conditioner in Kentucky?
At 3,500 W and 13.80¢/kWh: $0.48 per hour, $3.86 per day and $117.47 per month at 8 h/day.
How does Kentucky compare with other states?
The same use costs $108.27/month in Nevada (cheapest) and $401.60/month in Hawaii (most expensive); the US average is $154.58.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Central Air Conditioner cost calculator · Electricity cost in Kentucky
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