The split air conditioning has at least one unit that sits inside your room. The compressor sits outside of the room, sometimes on the ground or on brackets hung to the wall. Some models come with multiple indoor units that will use one single compressor, this is known as the multi-split air conditioning system. A split air conditioner consists of two main parts: the outdoor unit and the indoor unit. The outdoor unit is installed on or near the wall outside of the room or space that you wish to cool. The unit houses the compressor, condenser coil and the expansion coil or capillary tubing. The sleek-looking indoor unit contains the cooling coil, a long blower and an air filter. When it comes to air conditioning the small spaces like bed rooms and offices, there are two choices, Split AC and Window AC. They both have different looks and prices. You can install one according to available space for installation, and area to be cooled. Split AC As the name suggest, one unit is divided into two parts, cooling unit is installed inside the room, where as hot exhaust is outside. As cooling unit is separate, which allow the manufacturer to make more powerful AC. As the compressing unit is outside, there is no noise inside the room. Split Ac is good choice for offices and other commercial places. Moreover, it can also be used in those rooms, which have no window for the installation of window AC. However, it is not suitable for rooms, which are in the middle of large buildings, as in this case it will be difficult to connect them with their compressor.