I assume that you're alluding to the air conditioner, which was invented in 1901? The first home installation was in 1914, but that wasn't the date of the inven

I assume that you're alluding to the air conditioner, which was invented in 1901? The first home installation was in 1914, but that wasn't the date of the invention. https://en.wikipedia.org/wiki/Air_conditioning https://en.wikipedia.org/wiki/Air_conditioning