Stop Pointing Your Fan at Your Face: The Physics Behind Cooling Your Room Faster at Night

Stop Pointing Your Fan at Your Face: The Physics Behind Cooling Your Room Faster at Night

Forget blowing a fan directly on yourself—pointing it out the window actually cools your entire room faster by creating cross-ventilation that exchanges hot indoor air for cooler night air. This counterintuitive trick relies on basic physics and a 8-10°C temperature drop after sunset, transforming a stuffy bedroom within minutes.