NATURAL VENTILATION APPARATUS FOR SLIDING-SYSTEM WINDOWS AND DOORS

摘要

A natural ventilation apparatus for sliding system window and door is provided that various patterns of indoor ventilation covers are selected and selectively used. A natural ventilation apparatus for sliding system window and door comprises an air flow controller and an indoor ventilation cover(260). The external air is flowed in through the air passage and the indoor air is exhausted. The air flow controller includes a vent(200) controlling amount of the air, and a controller frame(110) and a spinning unit(120) for air conditioning.