More to explore:
how to heat a room using only a candle!
Candle Powered Heater
Heatstick - how to radiate heat from a candle
This is cool. Heat a room for pennies a day! Good to know this trick in case of an emergency.
an emergency candle heater.
The Easiest 100 Gallons of Emergency Water Storage--interesting reading, too...tips for emergencies
Heating Water from Candle
You need to build one of these little portable stoves. very hot and nearly smoke free. great for bug out kit.
Heat Your Room with 1 Candle plus Flowerpots, Nuts and Washers | Permaculture Magazine
Make Your Own Emergency Toilet
Compost Heat Your Home
How to Make an Emergency Heater