🌡️ Climate Control
How Many kWh Does a Window AC (10,000 BTU) Use?
Window AC (10,000 BTU) energy cost calculator — see your exact daily, monthly, and yearly electricity cost.
Rate — APRIL 2026
⚡ 1000W typical
$
US national average. Edit for your local rate.
Daily Energy Use
8.00
kWh / day
Monthly Cost
$45.19
Yearly Cost
$549.84
Window AC (10,000 BTU) — Cost Breakdown
| Period | kWh Used | Cost ($) |
|---|---|---|
| Per Hour | 1.0000 | $0.1883 |
| Per Day | 8.00 | $1.51 |
| Per Month (30 days) | 240.00 | $45.19 |
| Per Year (365 days) | 2920.00 | $549.84 |
⚡ Real-World Comparison
Running a 10,000 BTU window AC for 8 hours uses roughly the same energy as drying 4 loads of laundry.
3 Ways to Cut Your Window AC (10,000 BTU) Energy Bill
- 🌱
Set the thermostat to 78°F — each degree below costs about 3–4% more in energy consumption.
- 💡
Close doors to unused rooms so the AC only cools occupied spaces.
- ⚡
Use a programmable timer to start cooling 30 minutes before you arrive instead of running it all day.
Startup Surge Information
The compressor draws a surge of roughly 2,000–3,000W at startup for a few seconds before settling.