Blue Star Cassette Air Conditioner

Cassette air conditioners work like other wall-mounted split system units. The difference is that the cassette systems are mounted on the ceiling, not on the wall.cassette air conditioner (plural cassette air conditioners) A ceiling- or wall-mounted or suspended air conditioner, for when space is limited, because there is no available walls to mount a split system or where there is limited ceiling space for a ducted system.