Air flow outward through a wall, building envelope or similar structure.
The controlled or uncontrolled leakage of air from a conditioned space.
The leakage or discharge of flows being carried by sewers out into the ground through leaks in pipes, joints, manholes, or other sewer system structures; the reverse of "infiltrations."
The downward movement of runoff from the bottom of an infiltration BMP into the soil layer.
The movement of air out of a building, through cracks and other openings, such as around windows and doors.
Uncontrolled leakage of conditioned air from inside the home to the outside.
Air flow out of a building structure. To measure exfiltration, a blower door is attached to the structure and the interior is pressurized and accurate measure is made of the exfiltration rate and areas of leakage.
Uncontrolled air leakage out of a building.
Uncontrolled outward air leakage from inside a building including leakage through cracks and interstices around windows and doors and through any other exterior partition or penetration.
Air leakage from a building's interior to the environment.
Air leakage outward through cracks and interstices and through ceilings, floors, and wall of a space or building.
Air flow outward through a wall, building envelope, etc.
Slow flow of air from the building to the outdoors.
The uncontrolled leakage of air out of a building.
Air leakage from the interior of a building into the environment.
Exfiltration is military jargon for exiting an area (usually behind enemy lines or in enemy territory). Exfiltration is the opposite of infiltration.