: Why do you feel cold air from an air-conditioned room coming out under a closed door into a warmer room or corridor?

Question

Room has air-conditioning going, cooler than corridor. Much cooler.

I can feel the cold air coming out from under the closed door when standing in front of it.

Why?

In: 3

Answer 1

Cold air is denser that warm air, and it leaks under the door in the same manner that water would leak under the door