Science
Heat Safety Tips
Experts advise turning off fans when temperatures reach certain levels, depending on factors like age and humidity. This advice aims to prevent overheating during extreme heat events.
Coverage timeline — 1 article
New Scientist
Fans can make you hotter rather than cooler, but the temperature at which you should turn them off depends on several factors, including your age and the humidity level
2026-06-23 17:50 UTC