Samsung offer two ranges of split systems. The residential range (RAC) for smaller applications and the commercial range (CAC) for all other applications. Samsung Free Joint Multi (FJM) allows up to 5 indoor units to operate from a single outdoor unit. All model ranges share Samsung’s impressive technology and include wind-free options on cassettes and wall models. Up to 16 indoor units can be controlled using WIFI and the Comfort, Avant, and Elite are shipped with in-built WIFI. All other models require a WIFI adaptor to be fitted.