Heating, Cooling & Refrigeration · Recorded milestone
Air conditioning
Recorded year1902
Willis Carrier's machine controls humidity, later making hot regions livable year-round.
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No connections of this kind are recorded.
Led to
- Home refrigeratorRecorded · 1914enables
- Centrifugal chillerRecorded · 1922enables
- Window air conditionerRecorded · 1932enables
- Car air conditioningRecorded · 1939enables
- Inverter heat pumpRecorded · 1981enables
- Passive houseRecorded · 1991enables
- Automatic heat sheltersRecorded · 2016enables
- Desiccant air conditionersForecast · ~2030enables
- Air conditioning without powerForecast · ~2032enables
- Heat-proof citiesForecast · ~2035enables
Sources & evidence
Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.