As that warmed air leaves the interior wall cold attic air moves into the cavity to take its place.
Cold air coming through walls.
With cold air inside the wall and warm air on each side in the house heat moves through the drywall which has a low r value and warms up the air in the cavity.
The warm air then rises into the attic a process called the stack effect.
Most people notice this in the winter when cold air blows through a wall outlet on an exterior wall.
Air infiltration occurs when outside air finds its way inside your house.
Cold air coming through cracks and crevices in a window will lower the temperature of a room and make your walls cold.
Without them you have a large hole that is constantly letting cold air enter your home.
Put up pictures or a mirror on exterior walls doing so can help insulate walls from the outside air.
Big enough for two couches the room has two walls of windows 15 foot ceilings and a fireplace.
You can expect higher heating and cooling bills if you have a lot of air infiltrating into your home.
Owning a home has many rewards but it also involves its share of demand.
Or in the summer when the hot 100 f air finds its way into your cool inside living space.