Cooling
5,000 BTU window AC running watts and starting watts
Use these values as a planning range only. The conservative default for 5,000 btu window ac is 550 W running and 1,400 W starting.
| Load type | Low | Default | High |
|---|---|---|---|
| Running watts | 450 W | 550 W | 750 W |
| Starting watts | 900 W | 1,400 W | 2,200 W |
Source note
Room AC manuals list compressor start surge above running watts; default is conservative for small 115 V units.
Never operate a fuel-burning generator indoors, in a garage, on a porch, or near open windows. Use a listed transfer switch or interlock installed by a qualified electrician for home wiring, and verify actual device nameplates before buying equipment.