Split systems are one of the most versatile and cost efficient ways of air conditioning a single room or area. Also available in reverse cycle providing cooling in summer and heating in winter. A split system is an air conditioner split into two sections. An indoor fan coil unit and an outdoor condensing unit are connected together by refrigerant pipes and electrical cables. Indoor units are available in a number of different styles to suit every application, such as wall mounted, floor consoles and floor/ceiling mounted units.