This technology is a building double-skin system featuring a supply double-skin section with an intake cavity for outdoor air and an exhaust double-skin section with an exhaust cavity for indoor air. A control unit manages the outdoor air regulators, indoor air regulators, and ventilation fans in each section according to the selected operating mode.
Conventional double-skin facades installed across multiple floors enhance buoyancy-driven airflow but are difficult to operate independently for each office. Conversely, single-floor installations allow for individual control but suffer from reduced performance due to lower floor heights, which weaken air circulation. Furthermore, these systems struggle to address varying internal heat loads or occupant temperature preferences at the facade level.
This technology divides the intake cavity into upper and lower sections using a partition with a controllable opening. In natural ventilation or cooling modes, the opening closes to circulate intake air through an outdoor vent. In preheating or heating modes, the opening stays open and the vent closes, allowing air to be warmed as it passes through both sections before entering the room. A sliding mechanism on the lower plate allows for height adjustment, with air inlets placed at the bottom and outlets at the top of the floor. Applicable to curtain walls in high-rise offices, green remodeling for public buildings or schools, and multi-tenant office facilities, this system enables per-room ventilation and heating control while achieving the air circulation efficiency of multi-story double skins, significantly reducing exposure to extreme thermal conditions.
This invention was developed with support from the Plus Energy Building Innovation Technology Research Center of the Ministry of Science and ICT.
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