Static ventilations, placed in ancestral houses, controlling moisture. In some ancestral houses, wall air ventilations contributed to eliminate the accumulation of moisture between the exterior and interior walls.

Brick winds. Keeping moisture and unwanted creatures off their property, brick ventilation is an effective way to avoid the many complications that an owner can face when brick walls get wet.

These air ducts, located on the ground and in the walls, have contributed to regulating environmental factors, maintaining operating houses and maintaining people in good health.

The modern reduced ceilings were initially created to conceal the infrastructure of the building, including piping, wiring and ducts, by creating a plenum space above the reduced ceiling, while allowing access to repairs and inspections.

These air ducts, located on the ground and in the walls, have contributed to regulating environmental factors, maintaining operating houses and maintaining people in good health.