Dime Store Adventures makes videos about discovering and researching minor historical events.
One of my favorites is when he heard a local legend about the reason one gravestone in a small cemetery is much larger than all the rest. The legend was that the man hated his family so much that he decided to exhaust his estate with the most expensive gravestone possible. He shows how he figures out whether it was true by reading old newspapers and visiting historical societies.
I don’t have AC and haven’t really needed it this year. I’m way north in New Hampshire.
We keep the heat at 63-65f(about 17c) in the winter, but occasionally go up to 67 when it’s warmer out and the furnace doesn’t have to work as hard to keep it there.