Using air conditioning can reduce heat-related deaths by more than half. In the US, it prevents more than 5,000 such deaths annually. However, increasing its use beyond a certain level no longer provides additional benefits, according to researchers from Yale University.
How protective is air conditioning to prevent deaths amid high temperatures and record heat levels? Researchers at Yale University in the United States found that the use of air conditioning halved the number of annual heat-related deaths in the United States, saving more than 5,000 lives a year.