The Triumph and Glory of Air Conditioning
The story about the mass production of air conditioners is that what were once status symbols are now common. Crucial here is that people got very rich making air conditioners common. It’s how the world works. Or at least how to grow rich in the world. The best way to become very well-to-do very quickly is to produce in abundance, and at low prices, what used to be scarce and nosebleed expensive.