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Cost to run a window air conditioner in District of Columbia
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$0.23/hour
Window Air Conditioner at 900 W in District of Columbia (25.98¢/kWh) · $56.87/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.23 | $7.11 | $85.34 |
| 2 h/day | $0.47 | $14.22 | $170.69 |
| 4 h/day | $0.94 | $28.43 | $341.38 |
| 8 h/day | $1.87 | $56.87 | $682.75 |
| 12 h/day | $2.81 | $85.30 | $1,024.13 |
| 24 h/day | $5.61 | $170.60 | $2,048.26 |
A 8,000-10,000 BTU window unit draws roughly 700-1,000 W while the compressor runs.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| District of Columbia | 25.98 | $56.87 |
| Vermont | 23.84 | $52.18 |
| Connecticut | 24.51 | $53.65 |
| New Jersey | 24.61 | $53.87 |
| New Hampshire | 27.64 | $60.50 |
| Rhode Island | 28.18 | $61.68 |
| New York | 28.65 | $62.71 |
FAQ
How much does it cost to run a window air conditioner in District of Columbia?
At 900 W and 25.98¢/kWh: $0.23 per hour, $1.87 per day and $56.87 per month at 8 h/day.
How does District of Columbia 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 District of Columbia
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