No-Energy Winter Rerigerator

If you live in a climate where the weather is routinely below 35 - 38 degrees F. Use natural cooling to keep food refrigerated without wasting energy to do it. Build yourself an insulated box that's going to attach to the outside of your house for the winter months.

More info on how to build this found here:

http://www.thedailygreen.com/green-homes/blogs/diy-hacks/hack-energy-efficient-refrigerator-460215