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Cost to run a central air conditioner in Idaho
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$0.47/hour
Central Air Conditioner at 3,500 W in Idaho (13.37¢/kWh) · $113.81/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.47 | $14.23 | $170.80 |
| 2 h/day | $0.94 | $28.45 | $341.60 |
| 4 h/day | $1.87 | $56.90 | $683.21 |
| 8 h/day | $3.74 | $113.81 | $1,366.41 |
| 12 h/day | $5.62 | $170.71 | $2,049.62 |
| 24 h/day | $11.23 | $341.42 | $4,099.24 |
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 Idaho?
At 3,500 W and 13.37¢/kWh: $0.47 per hour, $3.74 per day and $113.81 per month at 8 h/day.
How does Idaho 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 Idaho
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