Split system – air conditioning is composed of an outer (condensing) and internal (evaporative) blocks.
External power split systems are usually located on the roof or side of the building, or inside the room. The indoor unit split systems can be installed anywhere, not just on the wall indoor units, in addition to the wall, floor, ceilings, columns and embedded in the ceiling – channel or cluster. These units are connected by two thin copper pipes in insulation.
The noisiest part of the air conditioner is the compressor. In split-systems, it is installed outside of the residence, which results in super quiet operation.