If this sounds like an unlikely scenario, consider the fact that you might already have these openings — let's call them attic ventilation — and some of them might be covered with box roof vents.

To improve attic ventilation, place exhaust vents near the roof's peak and intake vents in the eaves. There are several types of exhaust and intake vents available. Exhaust vents are located near ...

In the attic space, we provide vents, what we call air intake, at the lowest portion of the space. Preferably this is the underside of the roof eave and overhang. We install exhaust vents at or ...

Ceiling-mounted models are recessed and are commonly found in residential bathrooms, with exhaust expelled through a vent that's often mounted on the roof. Inline exhaust fans are placed in line ...