How Much Does a Portable AC Cost to Run? (2026 Calculator)
Typical setup: 1200 W · 8 h/day · $0.180/kWh
Daily
$1.73
Monthly
$51.78
Yearly
$629.94
Quick rate
Daily cost
$1.73
Monthly cost
$51.78
+$0.00 vs typical
Yearly cost
$629.94
kWh / month
288.0 kWh
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ad-after-calculator Quick answer
A typical portable ac uses about 1200 W and costs about $1.61/day or $48.38/month at the U.S. average rate of $0.17/kWh, assuming 8 hours of use per day. At the same rate, costs range from about $1.08/day (800 W) to $2.69/day (2000 W).
State explorer
Quickly spot cheapest, highest, and near-average monthly costs.
Top 10 cheapest
Top 10 highest
- Hawaii $114.60
- Massachusetts $89.74
- Maine $88.50
- California $87.24
- Rhode Island $86.80
- New York $81.71
- Connecticut $81.50
- New Hampshire $75.80
- Alaska $73.50
- District of Columbia $68.31
Cost by state (monthly)
At typical 1200 W and 8 h/day. Rates from our dataset (see methodology ). Open a state for a dedicated calculator page.
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ad-after-state-table Wattage range
| Level | Watts | Est. monthly @ avg rate |
|---|---|---|
| Low | 800 W | $34.52 |
| Typical | 1200 W | $51.78 |
| High | 2000 W | $86.29 |
Energy saving tips
- Seal air leaks and improve insulation to reduce run-time.
- Use thermostats or timers so the appliance only runs when needed.
- Combine this appliance with fans or shading to reduce demand.
- Set the thermostat a few degrees higher in summer or lower in winter.
- Use ceiling fans to feel cooler at a higher thermostat setting.
FAQ
- Most portable ac units fall between 800 W and 2000 W, with 1200 W as a typical operating value for estimates.
- Our estimates use 1200 W as the typical wattage, within a reported range of 800–2000 W.
- At typical use (8 hours/day at 1200 W), the estimate is about 9.60 kWh/day and 288.0 kWh/month at the U.S. average rate.
- With 8 hours/day and 1200 W, this appliance uses about 9.60 kWh per day.
- At 8 hours/day, the monthly estimate is about 288.0 kWh per month.
- Per hour, the typical draw is about 1.200 kWh (at 1200 W).
- At the U.S. average electricity rate of $0.17/kWh, the typical daily cost is about $1.61/day for 8 hours/day.
- At the U.S. average electricity rate of $0.17/kWh, the typical monthly cost is about $48.38/month at 8 hours/day.
- Running for one hour at 1200 W costs about $0.20/hour (using 0.17 $/kWh as the U.S. average).
- With typical use (8 hours/day at 1200 W), the estimate is about $1.61/day or $48.38/month at the U.S. average rate.
- The estimate is about 288.0 kWh per month, which corresponds to roughly $48.38/month at the U.S. average rate. Your real bill depends on your rate and runtime.
- Use energy-saving tips tailored to this appliance. For example: Seal air leaks and improve insulation to reduce run-time. — reducing kWh reduces the bill at your local rate.