CASSETTE TYPE INVERTER TYPE. LG Ceiling Cassette 5.0HP Inverter Air Conditioner (Model: CEILING CASSETTE 5.0HP INV) is a premium, high-capacity commercial cooling system designed to manage large open indoor environments. Operating with a massive 48,000 BTU capacity, it incorporates energy-saving smart inverter compressor technology and a discreet, flush-to-ceiling visual layout.