Reason for renovation: Due to excessively high temperatures in the elevator machine rooms at Changsha Yuxi International, a property management company carried out energy-saving and cooling renovations on all 24 elevators in the residential complex to reduce the temperature, save energy, and lower the failure rate. The renovation achieved significant energy-saving results.

Power: 22.1 kW | Speed: 2.5 m/s | Voltage: 380V | Load capacity: 1350 kg | Manufacturer: Otis Elevator (China) Co., Ltd. | Height: 110 m | Quantity: 18 units | Regeneration unit applied: SKS-IF-EV4037
Power: 11.4 kW | Speed: 1.75 m/s | Voltage: 380V | Load capacity: 1000 kg | Manufacturer: Otis Elevator (China) Co., Ltd. | Height: 110 m | Quantity: 6 units | Regeneration unit applied: SKS-IF-EV4018

We measured the energy-saving data for three of the buildings as follows.