As of next Monday, metro passengers will feel a bit cooler as the temperatures inside the trains will go down 2 degrees Celsius from now, today's Shanghai Evening Post reported.
Many passengers have complained about the insufficient air-conditioning in metro trains, especially during rush hours for scorching weather.
"There are too many people crowding in metro trains during rush hours, driving up the inside temperature to more than 30 degrees Celsius," a passenger complained yesterday afternoon. Many passengers are sweating all over after walking out of the metro train.
As the Metro Line 1 is the first of its kind in Shanghai, some trains are worn with deficiency in air-conditioning facilities, said Shen Tao, director with a maintenance factory of the metro operator. "As there are no cold air exits in either sides of each train carriage, passengers will feel sweltering," Shen explained.
To solve the problem, 16 metro trains have been revamped and the temperatures inside will be 2 degrees Celsius lower than now, he pointed out.
For energy-saving purposes, Xu, a local citizen, suggested the temperatures be adjusted according to different circumstances. "During rush hours, the temperature should be lowered, but in cold or rainy days, it should be raised," Xu suggested.
The air-conditioners are currently operated automatically, but the complete renovation of the system is being studied to improve the facilities, according to the metro operator.