The document provides information about residential lifts (elevators). It discusses the history of lifts dating back to ancient times, and describes the basic components and operation of modern traction elevators. Traction elevators are powered by electric motors and cables, and use counterweights for balance. Hydraulic elevators are also described, along with newer machine roomless systems. Residential lift sizes and specifications are outlined. Case studies demonstrate recent lift installations in residential buildings. Guidelines on lift placement according to Vastu principles and trends like environmentally friendly "green" lifts are mentioned. Major lift manufacturers are listed at the end.