So, I don't know if I should post this here or not, but this seems to be a pretty inexpensive way to heat a small room. I will see about trying this later, but it seems sound in theory.
http://www.trueactivist.com/how-to-easily-heat-your-home-using-flower-pots-tea-lights/
http://www.trueactivist.com/how-to-easily-heat-your-home-using-flower-pots-tea-lights/