DIY, Super-Efficient Fridge Uses .1 kWH a Day
 

You know the cool feeling on your feet every time you open the refridgerator door? If you didn’t know, that’s the feeling of all your cold air falling out on the ground. Cold air is heavy and naturally sinks down, which makes the design of most refridgerators suboptimal for conserving that cold air when opened. [...]

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Cool.

If you wrap the chest fridge in foam or bedding, drop underfloor and keep in the cool side of the home, you could almost turn it off.

On camping trips if I wrapped an icebox in a feather duvet it stayed cold for much longer.

Cool