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Cost to run a window air conditioner in Wisconsin
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$0.17/hour
Window Air Conditioner at 900 W in Wisconsin (19.41¢/kWh) · $42.48/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.17 | $5.31 | $63.76 |
| 2 h/day | $0.35 | $10.62 | $127.52 |
| 4 h/day | $0.70 | $21.24 | $255.05 |
| 8 h/day | $1.40 | $42.48 | $510.09 |
| 12 h/day | $2.10 | $63.73 | $765.14 |
| 24 h/day | $4.19 | $127.45 | $1,530.28 |
A 8,000-10,000 BTU window unit draws roughly 700-1,000 W while the compressor runs.
Same appliance, nearby states
FAQ
How much does it cost to run a window air conditioner in Wisconsin?
At 900 W and 19.41¢/kWh: $0.17 per hour, $1.40 per day and $42.48 per month at 8 h/day.
How does Wisconsin 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 Wisconsin
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