Spaces | Recommendation |
---|---|
Every indoor space | • Enough ventilation is necessary to prevent COVID-19 infection. |
• Opening windows is effective for ventilation and opening them wide and for a longer time is desirable. | |
• In summer, air conditioners are necessary to prevent health risks such as heatstroke, etc. | |
• General air conditioners do not function as ventilators, so mechanical ventilation and opening windows are necessary. | |
• When opening windows, it is necessary to prevent harmful insects and animals from coming in. | |
Spaces in which air conditioning and ventilation systems are installed | • It is necessary to check the systems and to confirm enough ventilation rates are secured. |
• It is necessary to limit the number of persons in a room or shorten the time they are inside secure enough ventilation rates per person. | |
• It is necessary to investigate what the building is used for, how often it is used, what kind of air-conditioning and ventilation system is used in the building when taking such measures as the better control of air-conditioning and ventilation systems, or the use of air cleaners, and the use of humidifiers in winter. |