1.   Box fans and smaller fans work best when they can contribute to cross ventilation in a room.

2.   Fifield also keeps a box fan running in his room, not only to move air but to provide white noise to wash away the footsteps of early risers.

3.   His son was taught by an uncertified teacher in a classroom with broken windows and box fans.

4.   Jacob Whitaker, in blue jeans and a straw cowboy hat, was sitting in front of a box fan inside a sweltering barn.

5.   One box fan was running in a window -- in the other room.

6.   Small, residential-type box fans whirred on the hallway floors.