More on the Pot-in-Pot Refrigerator
The Rojases at Green Power Science, in Florida, give us more info on the pot-in-pot refrigerator. They highlight the need to be aware of your surrounding humidity levels. If the humidity is above 75%, they note, the zeer pots won’t work because they require evaporation to work and that’s a no-go when it is very humid out.
The Real Know How 