Split Air Conditioner products offer wide versatility in solving your cooling and heating requirements. The Indoor unit is mounted inside the room. It is connected to the outdoor unit through a 3-1/2" opening in the wall. Since no ductwork is required, installation is simple, fast & efficient. There is no need to use up window space or cut large openings in existing walls. Since the manufactured Rotary compressor is located in the outdoor unit, compressor operating noise is virtually eliminated from the indoor. Areas serviced: Lambethwww.domesticac.co.uk8 Rycott Path, SE22 0AA