Ducted Split air conditioners (Concealed) are an ideal solution that integrates the indoor unit into the false ceiling to ensure an elegant decorative appearance and ultra-quiet operation. They feature high cooling capacities (typically 18,000 to 60,000 BTUs) and are suitable for homes and offices, with the availability of energy-saving inverter technology. The best brands include Fuji, Gree, York, and Trane. Key features and drawbacks of concealed air conditioners: Advantages: Design: Invisible (hidden within the gypsum), maintaining the aesthetics of the decor. Performance: Quiet and powerful cooling, suitable for open and large spaces. Efficiency: Electricity savings, especially with inverter technology (Inverter). Distribution: Flexibility in air distribution through ducting (air ducts).