Here's a graph with the prevalence of AC by region. It could also be related to the affordability of heat (my grandparents kept the house very cool). I have no

Here's a graph with the prevalence of AC by region. It could also be related to the affordability of heat (my grandparents kept the house very cool). I have no idea if there's something to this, but interesting to poke at. https://www.eia.gov/consumption/residential/reports/images/acb_fig1_lg.png https://www.eia.gov/consumption/residential/reports/images/a...