Adventures in Space (Heaters)

My beloved grandfather was a Scotsman. According to my (Hungarian) grandmother, that was why he was so stingy–ahem, frugal. He believed that it saved electricity if you only opened the refrigerator while it was running, so who knows how many times they skirted food poisoning because my grandmother left the mayo on the counter until she heard it start?

I don’t do that, but I do have a great resistance to turning the furnace on (and the AC, in summer, ask my poor wilting roommate.) I know waiti...