Vents along the outside windows change the air in the room every 10 minutes.

The same man has walked past the outside window three times while we've been inside.

The room around him was narrow and dark, without outside windows.

The little fire left a nasty odor in the office and she opened an outside window, to air it.

Most such workers that lasted six months got offices with outside windows.

Without outside windows, he found it difficult to keep his bearings.

She pulled down the shades at the outside windows and did as he had told her.

The interview room was six feet by eight with no outside windows.

"I would use a ladder and clean my outside windows myself."

One is a lack of the proper thermal break between the outside window and inside frame.