This cold winter in Chicago I tried an experiment where during the day I just heated one room with an electric space heater (a Vornado) and let the rest of the

This cold winter in Chicago I tried an experiment where during the day I just heated one room with an electric space heater (a Vornado) and let the rest of the house get to 50 F. It ended up saving me exactly $1 because turns out electricity is $$$ and I discontinued the effort.