2HP OPTIMAL AIR DISTRIBUTION AUTO RESTART. The LG Ceiling Concealed 22GM1A4 (ABNQ22G / ABNQ22GM1A4) 2.0HP Inverter Air Conditioner is a premium, duct-type cooling system designed to be hidden completely within your ceiling grid, preserving room aesthetics while providing high-performance climate control. It is highly suited for residential spaces, large offices, classrooms, and churches where visual minimalism and uniform airflow are needed