How much air does a 20-inch box fan move compared with a smaller fan?

The larger blade and square housing push noticeably more air than a 12- or 16-inch box fan, which is why these are common for window ventilation. Expect strong airflow on high and a gentler breeze on low.

Can it be used in a window?

Yes. The square shape is designed to sit in a window frame, either blowing cool air in or exhausting warm air out. Check that your window opening is wide enough for the housing.

Does it oscillate or come with a remote?

No. It has three speeds and manual controls only, with no oscillation, timer or remote. If you want those features, look at a pedestal or tower fan instead.

Low and medium are tolerable for background use; high is loud, as with most box fans of this size. Many people run it on low at night and on high only when the room is empty.

Is it easy to store when not in use?

Yes. It is flat and light, so it slides behind furniture or into a closet. Clean the blade guard and blade with a vacuum or damp cloth before storing.