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Cost to run a central air conditioner in Rhode Island
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$0.99/hour
Central Air Conditioner at 3,500 W in Rhode Island (28.18¢/kWh) · $239.87/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.99 | $29.98 | $360.00 |
| 2 h/day | $1.97 | $59.97 | $720.00 |
| 4 h/day | $3.95 | $119.93 | $1,440.00 |
| 8 h/day | $7.89 | $239.87 | $2,880.00 |
| 12 h/day | $11.84 | $359.80 | $4,319.99 |
| 24 h/day | $23.67 | $719.60 | $8,639.99 |
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 |
|---|---|---|
| Rhode Island | 28.18 | $239.87 |
| New Jersey | 24.61 | $209.48 |
| District of Columbia | 25.98 | $221.14 |
| New Hampshire | 27.64 | $235.27 |
| New York | 28.65 | $243.87 |
| Alaska | 29.41 | $250.34 |
| California | 29.75 | $253.23 |
FAQ
How much does it cost to run a central air conditioner in Rhode Island?
At 3,500 W and 28.18¢/kWh: $0.99 per hour, $7.89 per day and $239.87 per month at 8 h/day.
How does Rhode Island 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 Rhode Island
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