jan 1, 1950 - Window Air Conditioners

Description:

"In the 1950s, thanks to increased American prosperity after World War II, air conditioning units first became widely affordable. Everyday Americans were able to buy room units and enjoy cool comfort year round. In 1953 alone, 1 million air conditioners were sold."

https://www.kycomfort.com/history-of-residential-air-conditioning/

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