How does air conditioning work, and how does it affect your body?
Summary
Air conditioners cool indoor air by removing heat and moisture and releasing the heat outside. While they help people stay comfortable in hot weather, air conditioners can dry out the skin and eyes, and users should take precautions to protect their health.Key Facts
- Air conditioners pull in warm air, cool it with cold coils, and blow cool air back inside while releasing heat outside.
- Willis Carrier invented modern air conditioning in 1902 to control humidity in a printing plant.
- Early air conditioners used harmful chemicals called CFCs; newer models use safer refrigerants like R-32 and propane.
- Rising global temperatures are increasing the use of air conditioners worldwide.
- Heat stress caused by high temperatures is a major health risk and can worsen many illnesses.
- Heatstroke happens when the body’s temperature rises above 40°C (104°F) and can be deadly without fast treatment.
- Tips to prevent heatstroke include drinking water, wearing loose cotton clothes, avoiding sun exposure, and staying cool indoors.
- Overuse or poorly maintained air conditioners can cause dry skin and dry eyes due to moisture removal.
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