In article ,
"Michael Daly" wrote:
On 23-Apr-2005, Harry Everhart wrote:

There is no difference between the air pressure inside or outside the
home. The only time it will change and only for a second is when you
slam a door or open a door quickly creating a vacuum or high pressure
cell.

Or when it is really gusty.

Mike

Agreed - sometimes when the wind blows - you can feel it suck the air
out of your ears :-) like going over a mountain in a car.

Harry