The Transport Department of Moscow informs that the ventilation system of the subway of our capital city was almost completely renewed compared to the year 2004. Thanks to that, the air delivery increased by 30 per cent, and the air temperature in the metro during the summer months decreased by 3 degrees.
Over five months of the year 2022, 9 Russian fans have already been installed in the subway, and twenty more units of the equipment will be delivered to them.