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Science
Jun 23, 2026
Analyzed by Llama- 4 Scout 17B 16E Instruct

How Air Conditioning Works and Its Effects on the Body

AI Summary
As temperatures rise, air conditioners provide relief from extreme heat but also have effects on the body. Learn how air conditioners work, their impact on health, and practical tips to stay cool and protected.

The Science Behind Air Conditioning

Air conditioners work by removing heat and moisture from indoor air and releasing it outside. The process starts when the indoor unit pulls in warm air and sends it over cold evaporator coils. Inside the coils, liquid refrigerant absorbs the heat, evaporates into a gas, and cools the air. A fan then blows the cooled air back into the room.

The Impact of Air Conditioning on Health

While air conditioners keep us from overheating, long-term use as well as poor maintenance can lead to adverse effects on the body. These include dry skin and eyes, headaches, dry nose and throat, respiratory irritation, muscle stiffness and joint pain, and sleep disruptions.

Practical Tips for Staying Cool and Protected

  • Drink plenty of water.
  • Wear sunblock.
  • Wear cotton and loose clothing.
  • Never leave anyone in a parked car.
  • Stay away from direct sun exposure, especially in the afternoons.
  • Avoid exercise during the hottest part of the day.
  • Ventilate and cool your living space.
  • Take cool showers.
  • Eat lightly.
  • Take precautions with medications.

Treating Heatstroke

If you or another person is experiencing heatstroke symptoms, such as rapid heartbeat, rapid breathing, high body temperature, dehydration, or nausea, here are a few steps to bring down body temperature while waiting for emergency medical aid:

  • Get out of direct exposure to the sun.
  • Lie down and elevate your feet.
  • Take off tight clothing.
  • Use a fan or air conditioner to lower body temperature.
  • Apply cold compresses.
  • Drink lots of fluids.

Building a Homemade Air Cooler

If you don’t own an air conditioner or are trying to save on energy costs, here are some steps you can follow to build a do-it-yourself cooler out of a styrofoam cooler, ice, and a fan.