Did you know, you can use common bubble wrap as insulation for windows? I had heard of this bubble wrap trick to save energy before, but had never actually gotten around to trying it. Not for every window, but just an idea to consider.
Candle Powered Heater - I& been looking a various ways to make these and this guy has by far the best setup. It isn& so much a how-to video. He is just showing what he used to construct his version of the terra cotta pot candle heater.
Warm a Room with Only a Candle and a Few Terra Cotta Pots.The terra cotta pots concentrate the heat using convection. While you won’t heat a whole house with it, it can definitely warm your hands and make a cold night much more bearable .
Survival Zombie Apocalypse: ~ Laundry Without Electricity. During the winter, if you’re going to hang your clothes outside to dry, add a bit of salt to the water to keep frost from forming on your clothes and stop them from freezing.
Oil lamps are another way to have reasonably eco friendly lighting. Useful for those without generators, solar, or battery backup during natural and man made disasters. How To Make Your Own Oil Lamp Fuel - cheap and easy!