 There were some older, I stress older homes, that did not have air conditioning in them. Some would have window units, some just didn't at all. I had an aunt and uncle that didn't have air conditioning, or they didn't run it much. But what was amazing, given the topography of Pittsburgh, is at night, they had these two big windows on either side of the house they'd open, and it was amazing how quickly they'd cool the house off. But either way, as I keep hearing this drumbeat,