A pot-in-pot refrigerator will cool food down by evaporative cooling.
But they don't make sense for most applications.
I live without any refrigeration. I am against using electricity for either heating or cooling, so I am always interested in alternatives.
The pot-in-pot systems are small, so they won't really work for preserving larger amounts of food. For larger or longer food storage needs, it is too costly a method of cooling. Root Cellars are much better choice.
Sometimes times seemingly innovative solutions are false.
As a cute demonstration of evaporative cooling it is fine. And for the comfort of making a food cool prior to eating (better yet, beer for drinking) it could be fine.
I should make one at the Bosque Village as an example.
But this is one more example of a small scale cute permaculture technology which just doesn't scale to the needs in most situations; The costs just don't add up
It would be nice to set this up on a hot day for the luxury of a cold beer, but the root cellar is still the better choice.
There could be cases in markets in hot climates where a pot-in-pot refrigerator could make sense, but we really have to consider all the costs.
When it is "too hot", I don't have excess water since I am off the water grid.
Every drop counts.
Another problems is that it would tend to get moldy and need to be cleaned. Using saltwater might alleviate that problem. And unless a special design was made, they are pretty heavy.
This type of cooling could be used as part of an extra cooling system to add to a root cellar to reduce the temp a little more. I made a design for that, but still need to dig the root cellar.
A pot-in-pot refrigerator will cool food down by evaporative cooling.
But they don't make sense for most applications.
I live without any refrigeration. I am against using electricity for either heating or cooling, so I am always interested in alternatives.
The pot-in-pot systems are small, so they won't really work for preserving larger amounts of food. For larger or longer food storage needs, it is too costly a method of cooling. Root Cellars are much better choice.
Sometimes times seemingly innovative solutions are false.
As a cute demonstration of evaporative cooling it is fine. And for the comfort of making a food cool prior to eating (better yet, beer for drinking) it could be fine.
I should make one at the Bosque Village as an example.
But this is one more example of a small scale cute permaculture technology which just doesn't scale to the needs in most situations; The costs just don't add up
It would be nice to set this up on a hot day for the luxury of a cold beer, but the root cellar is still the better choice.
There could be cases in markets in hot climates where a pot-in-pot refrigerator could make sense, but we really have to consider all the costs.
When it is "too hot", I don't have excess water since I am off the water grid.
Every drop counts.
Another problems is that it would tend to get moldy and need to be cleaned. Using saltwater might alleviate that problem. And unless a special design was made, they are pretty heavy.
This type of cooling could be used as part of an extra cooling system to add to a root cellar to reduce the temp a little more. I made a design for that, but still need to dig the root cellar.
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