Shanghai is the largest city of elevators in the world with 165000 elevators and escalators. According to latest research, elevators typically account for about 3% to 8% of the overall electricity consumption of a building. Therefore, it is significantly to study the energy efficiency of elevators in Shanghai. However, elevators have received little attention from an efficiency perspective in the past. To recover this gap, this paper analyses classification method on energy efficiency of elevators in Shanghai and suggests policy measures for energy conservation. First, Representative elevators in Shanghai were collected as research objects; second, a new energy efficiency classification method was established on the modification of VDI4707 according to actual situations in China, then, energy consumption of these elevators were measured and classified according to the new method. Finally, the influence factors of elevator energy efficiency were studied, and suggestion on the improvement of the energy efficiency of elevators in Shanghai was given.

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