Window AC unit Electricity Cost in Hawaii — $95.50/month (2026)
Hawaii monthly
$95.50
U.S. average monthly
$43.15
Difference
+$52.35
← Window AC unit (all states) · Hawaii electricity rate
Quick rate
Daily cost
$3.18
Monthly cost
$95.50
+$0.00 vs typical
Yearly cost
$1161.87
kWh / month
240.0 kWh
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ad-after-calculator Quick answer
Running a typical window ac unit in Hawaii costs about $3.18/day or $95.50/month at roughly $0.398/kWh, assuming 8 hours of use per day at 1000 W. The U.S. average rate is about $0.180/kWh, so Hawaii is roughly 121% higher than average for this estimate.
vs U.S. average
Local rate (Hawaii)
$0.398/kWh
Monthly estimate: $95.50
U.S. average rate
$0.180/kWh
Monthly estimate: $43.15
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ad-after-state-table FAQ
- Most window ac unit units fall between 500 W and 1500 W, with 1000 W as a typical value for estimates.
- Our calculator uses 1000 W as the typical wattage, within a reported range of 500–1500 W.
- At 8 hours/day and 1000 W, the estimate is about 8.00 kWh per day.
- Using 8 hours/day, the estimate is about 240.0 kWh per month.
- Per hour, window ac unit uses about 1.000 kWh (at 1000 W).
- At typical use (1000 W and 8 hours/day), the estimate is about $3.18/day at roughly $0.398/kWh.
- At typical use (1000 W and 8 hours/day), the estimate is about $95.50/month at roughly $0.398/kWh.
- Running for one hour at 1000 W costs about $0.398 per hour (using the Hawaii rate of about $0.398/kWh).
- For typical use, the calculator estimates about $95.50/month for window ac unit in Hawaii.
- At the typical Hawaii residential rate, the estimate is about 240.0 kWh per month, which corresponds to roughly $95.50/month for window ac unit.
- Compared to the U.S. average, Hawaii is about 121% higher for this estimate. Monthly cost is about $95.50 in Hawaii vs $43.15 at the national average.
- Start with practical steps from our tips list (e.g., Seal air leaks and improve insulation to reduce run-time.). Smaller changes reduce kWh usage, which reduces the bill at your local rate.
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Est. monthly at Hawaii rate ($0.398/kWh)