The Association of 'Indian Air Conditioner Engineers' to prevent the spread of corona virus. These guidelines were issued yesterday by the Central Government. A survey of 100 cities in China has shown that the risk of coronavirus transmission is low in high temperatures. Coronavirus can survive for 14 days in a temperature of 4 ° C, a day at 37 ° C and 30 minutes at 56 ° C. At this time of the corona virus spread, AC and temperature in the home and offices can be set at 24 to 30 degrees Celsius. It is better to avoid 'Central AC'.