Dumbwaiters travel within a hoist-way carrying various objects. The car (the box that carries the load) moves within the hoist-way along a guide rail to keep it in place. A cable and motor are generally used to lift and lower the car.
Many homes have dumbwaiters going from the garage to the kitchen for groceries, from the upper-level rooms to the basement for laundry or even to carry firewood from the basement to the upper floors. In today’s urban centers, homes are being built on smaller pieces of land, one floor stacked on top of another, requiring the residents to carry heavy loads up and down a large number of stairs. A dumbwaiter can add convenience and safety for the homeowner, and add value to the home.