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Cost to run a central air conditioner in Texas
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$0.56/hour
Central Air Conditioner at 3,500 W in Texas (15.91¢/kWh) · $135.43/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.56 | $16.93 | $203.25 |
| 2 h/day | $1.11 | $33.86 | $406.50 |
| 4 h/day | $2.23 | $67.71 | $813.00 |
| 8 h/day | $4.45 | $135.43 | $1,626.00 |
| 12 h/day | $6.68 | $203.14 | $2,439.00 |
| 24 h/day | $13.36 | $406.28 | $4,878.01 |
A 3-ton central AC typically draws 3,000-4,000 W while running; SEER rating and duct losses matter.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| Texas | 15.91 | $135.43 |
| Montana | 15.57 | $132.53 |
| South Carolina | 15.76 | $134.15 |
| Georgia | 15.90 | $135.34 |
| Oregon | 15.92 | $135.51 |
| Missouri | 16.02 | $136.36 |
| West Virginia | 16.31 | $138.83 |
FAQ
How much does it cost to run a central air conditioner in Texas?
At 3,500 W and 15.91¢/kWh: $0.56 per hour, $4.45 per day and $135.43 per month at 8 h/day.
How does Texas 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 Texas
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