Panasonic's Ductless Split Air Conditioner products offer wide versatility in solving your cooling for a single. The Indoor unit(evaporator) is mounted inside the room, enclosed in a handsome space saving cabinet. It is connected to the outdoor unit(condenser) via refrigerant lines & inter-unit wiring through a 3-1/2" opening in the wall. Since no ductwork is required, installation is simple, fast and efficient. The indoor unit has been uniquely designed to provide Whisper Quiet operation while delivering comfort throughout the room(s). Panasonic Ductless Split Systems bring together sleek styling in wall, duct or ceiling mounted systems, with whisper quiet operations, quality and reliability you can count on.