A moment later fans whirred into life - he supposed the newly started engine was driving them.

On the ceiling, a fan was whirring slowly, just enough to move the air.

Three large bronzed fans whirred above in the smoky air.

Its fans whirred as it wheeled to face the door.

The fans whirred, moving the warm air around.

It was more than 100 degrees in the small room, and above us, a fan whirred wildly.

A tiny fan whirred to life, and I felt clear air blowing against my face.

An electric fan whirred in the front room, moving heavy air around.

"They keep the fans whirring all the time," he said.

The fans whirred a bit faster, but not much.