Readers Respond: Who’s the Mystery Student in the Cold?

I am frequently in University classrooms as a volunteer English tutor for the Friends of the Davis International Center and as an auditor. Remarkably often, these rooms are too cold in the summer and too warm in the winter, and there are no thermostats to enable easy resetting, the temperature being subject to central control. It’s pretty ridiculous to have to open the window on a freezing cold day because the room is overheated, or to need extra layers in the summer because of the uncomfortable cold. I wonder how much energy is wasted in this way.