Setting the air conditioner temperature in the classroom to a low level Coexistence of the new corona and measures against heat stroke June 10 at 5:00

As hot days continue, the challenge for schools is how to balance ventilation in the classroom to prevent infection with the new coronavirus and measures against heat stroke. At an elementary school in Seto City, Aichi Prefecture, we set the air-conditioning temperature to a low level and also use a fan to hold classes.

At Nagane Elementary School in Seto City, Aichi Prefecture, last week, before the heat began in earnest, let's test how much the cooling efficiency would decrease if the teacher opened the window and ventilated the air conditioner. It was

As a result, we found that if the temperature is 30 degrees Celsius and you leave the window open and turn on the air conditioner, you need to set the temperature 2 to 3 degrees lower to keep the classroom at 28 degrees. is.

Therefore, even on the 9th when the temperature rose to 30.3 degrees, the air conditioner was set to 26 degrees, and as a result of using a fan, the room temperature in the classroom dropped to 28 degrees, and the children were comfortable studying while wearing the masks. ..

Zenyasu Yuge, the principal of Nagane Elementary School, said, "I want to be careful about corona measures and heat stroke measures this summer while watching the temperature and humidity of the day and the physical condition of the child."

Expert "Fairly measure room temperature and set air conditioner"

Professor Takao Matsumoto of the Chukyo University School of Sports Science, who is familiar with heat stroke, said that in many cases, the air conditioner in the classroom has a fixed temperature of 28 degrees. Must be kept at about 28 degrees, which does not mean that the air conditioner should be set at 28 degrees."

To do this, he said, "it is necessary to put a thermometer in the place where children spend in the classroom, measure the room temperature frequently, and then lower the set temperature of the air conditioner."

"It's important to keep an eye on the room temperature throughout the day, as the temperature in a sunny classroom rises when the sun is shining."