DESC: Versatile Zoneline Packaged Terminal Air Conditioners provide year-round comfort with individual heating and cooling temperature controls. Designed for a wide range of applications, these units are ideal for hotels and motels, office buildings, schools and apartments. All Zoneline units feature the exclusive GE "Superseal" system which minimizes energy usage by reducing air infiltration. The result is maximum operating efficiency and a more comfortable room. All Zoneline units are also very quiet thanks to the lower sound level and lower sound transmission.