Mini split air Conditioning systems are getting very popular these days. There are two types of mini split air conditioning, single zone and multi zone. Single zone is good to cool a single room or office. A multi zone mini system can serves a couple of rooms with several indoor units and a single condensing unit. this option provides very efficient way to air condition each room separate form each other, bare in mind these system is also have higher SEER efficiency rating than to stander central AC unit that is maxed to 14 or 16 SEER.