It's Las Vegas. Has a pool and hot tub and, of course, air conditioners. You folks in Europe don't have air conditioners and mostly don't need them (except when you do you do and you suffer). This is not really representative of most of the U.S., but it is representative of a lot of the U.S. Basically everywhere in the South we have central air conditioning, though it's not that common to have hot tubs.
I expect it's partly efficiency too. He already said he has inefficient AC. As I understand it dryers that just vent to the atmosphere are still common in America which is insane.
I think power is cheap enough in America that you don't care about wasting it.
