Ducted Air conditioning has an internal fancoil unit installed in the roof space of home. From this central location, a series of ducts run from it and into as many rooms in the house as the owner desires. From this ducts this allows the owner to cool or heat each room individually by selecting the temperature and other settings on the wall thermal control. If you only need to heat or cool one particular room, then that Air Condition is a good choice. This will lower your electrical bill.
Ducted Air Conditioning systems are very expensive but also most effective Air Conditioner to cool your home. Professional installation is definitely required.