To ventilate moisture trapped in the walls, install small circular vents designed for the purpose in the outside of the walls.

Installing small vents on the exterior side of hollow outside walls ventilates accumulated moisture and that which cannot be prevented.

Passive ventilation in a crawlspace is achieved by opening vents, or installing additional vents.

Burger King restaurants and all others that charbroil would have to install special vents to reduce emissions.

Install vents with louvers to keep out the rain, as well as screens to repel insects.

Install vents near the peak, then install collar beams across the top of the attic to form a ceiling.

The best way to do this is by installing vents in the attic.

He installs reverse vents on houses: bats check out, but they can't check in.

Some fast food restaurants will be obliged to install costly emission-control vents.

In the overall picture, you might actually be saving energy by installing vents.