What are the big differences between a hypothetical 1950s and a current lifestyle, as far as energy consumption goes? Up to 10x as much house volume per person

What are the big differences between a hypothetical 1950s and a current lifestyle, as far as energy consumption goes? Up to 10x as much house volume per person (family of 4 in 1000 sqft, vs. now frequently 2 in 5000 sqft), probably averages around 2-4x when you consider the housing stock and who lives in it. Need to air condition all that in the summer, whereas back then you would have just opened the windows, slept in the basement, whatever it takes to suffer through it. Need to heat all that in the winter. But that's probably negative. A high efficiency furnace and modern sealing/insulation probably means less heating load per person now, than then. Example: Apartment buildings so enthusiastically heated that people had to leave windows open in the winter. Completely uninsulated detached houses etc. Much more transportation. Less walking and public transit, more automobiles per capita, need to drive children everywhere whereas just "be home by dinnertime", much international travel for work and recreation. One assumes the actual cars, big and wasteful as they are, are no worse consumption-wise than the cars back then. Much more energy to manufacture and power all the gadgets that people simply didn't have back then. And all the disposable clothes. On the other hand, the 20" black-and-white TV that's burbling in the background 12 hours of the day probably used more electricity back then than all the simultaneously operating big flat screens in a modern household. More energy to run a globalized economy, with stuff that you use _and eat_ often shipped halfway around the planet. What does it come down to? Avoid travel. Live outdoors more, preferably in athletically meaningful ways (walk, bike). Tolerate a warmer house in the summer. Eat a simpler, local diet. Use quality goods and use them longer. Doesn't sound so terrible, but it also consumes a lot less resources, therefore less profits for bigcos, therefore a nonstarter.