Assertion: natural ventilation | /r/HasProperty | uncontrolled air movement
Facets:
value: through small holes
type: MANNER
value: through cracks
type: MANNER
value: in a home
type: LOCATION
Source sentences:
text: Natural ventilation is the uncontrolled air movement in and out of the cracks and small holes in a home.
text: Natural ventilation occurs when there is uncontrolled air movement or infiltration through cracks and small holes in a home—the same ones you want to seal to make your home more energy efficient.