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Cost to run a window air conditioner in Michigan
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$0.21/hour
Window Air Conditioner at 900 W in Michigan (22.99¢/kWh) · $50.32/month at 8 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.21 | $6.29 | $75.52 |
| 2 h/day | $0.41 | $12.58 | $151.04 |
| 4 h/day | $0.83 | $25.16 | $302.09 |
| 8 h/day | $1.66 | $50.32 | $604.18 |
| 12 h/day | $2.48 | $75.48 | $906.27 |
| 24 h/day | $4.97 | $150.96 | $1,812.53 |
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 |
|---|---|---|
| Michigan | 22.99 | $50.32 |
| Wisconsin | 19.41 | $42.48 |
| Maryland | 21.40 | $46.84 |
| Pennsylvania | 21.77 | $47.65 |
| Vermont | 23.84 | $52.18 |
| Connecticut | 24.51 | $53.65 |
| New Jersey | 24.61 | $53.87 |
FAQ
How much does it cost to run a window air conditioner in Michigan?
At 900 W and 22.99¢/kWh: $0.21 per hour, $1.66 per day and $50.32 per month at 8 h/day.
How does Michigan 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 Michigan
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