[Ultra-high-speed Twin-turbo Engine] Truly overcome the wind force challenge, the patented dual-wind room independent design further boosts the wind force for air supply, double-stirring the air throughout the entire house Only in this way can the real cooling be achieved The eye of the hurricane compresses the dual air ducts Simulating the principle of the vortex at the center of a hurricane, the rotating airflow is sent in a 360° spiral