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The air conditioner was invented by Willis Carrier in 1902. Civilization has been comfortable ever since.

✓ TRUE FACT
Willis Carrier’s 1902 system was designed to control humidity and temperature for industrial processes, not comfort. Modern AC expanded widely later, and typical indoor setpoints often target around 22–24°C in many climates.

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The air conditioner was invented by Willis Carrier in 1902. Civilization has been comfortable ever since. | SmartAss Facts