The difference in vapour pressure between the hot and cold side helps to push water molecules through.

Nancy opened the far door of the air lock, and they crossed over to the hot side.

She opened the far door and went through to the hot side.

They felt their way down the dark air-lock corridor, opened the far door, and crossed over to the hot side.

He opened the door and went through to the hot side.

One was burnt black on the hot side; another was hard as a brick.

The condenser is the hot side of an air conditioner or heat pump.

Before we were on the cool side and now we're on the hot side.

There was even a pocket at the back, repeating the one on the hot pink side of the front.

When ready to serve, move chicken to hot side of grill.