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Frenchman John Theophilus Desagulier invents the paddle fan to ventilate mines
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Schuyler Skaats Wheeler invents the electric fan
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Phillip Diehl patents the ceiling fan
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German Professor Herman Rietchel publishes Guide to Calculating Design of Ventilation and Heating Installations (picture form the actual book)
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Willis carrier invents air conditioning oscillating fan debuts
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Carrier reveals the rational psychometric formula. still the basics for the science of air conditioning
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Charles Gates' Minneapolis home is the first air-conditioned house at a cost of $10,000
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Rivoli movie theaters and Broadways in NYC gets air-conditioning
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Carrier Replaces ammonia with less dangerous dielene as a coolant
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Freon is invented.
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The Packard is the first car optional "factory air"
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US sales of window air conditioner top 1 million
