Window AC Electricity Usage
This page focuses on kWh usage patterns for window ac. From here you can open the matching cost-to-run pages and state calculators when you want estimated dollars, not just usage.
Typical wattage range
500-1,500 W
Typical runtime
8 hours/day
Estimated monthly usage
216.0 kWh
Estimated annual usage
2628.0 kWh
Usage profile table
| Metric | Value |
|---|---|
| kWh per hour | 0.90 kWh |
| kWh per day (typical) | 7.20 kWh |
| kWh per month (typical) | 216.0 kWh |
| kWh per year (typical) | 2628.0 kWh |
| Low runtime scenario | 4 hours/day |
| High runtime scenario | 12 hours/day |
Connect usage to cost tools
Related appliance usage pages
Source & Method
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Last dataset period: March 2026. Usage calculations use fixed appliance wattage and runtime assumptions so results stay comparable across pages.