I’ve been living off-grid for the last 14 years. Refrigeration has been a bit of a struggle. At the beginning, I bought a lovely looking, antique icebox, but it didn’t do what I needed. I tried ice cubes, ice blocks, wrapped the ice in newsprint, covered it in sawdust, lined the icebox with extra 1” foam insulation…..nothing I did gave me more than a day, at best.
I also tried the Zeer pot with the two clay pots, sand and water. Unfortunately, the Nova Scotia climate doesn’t lend itself to that method.
Then I picked up a small, RV 3-way fridge and used it on propane for many years. Other than the 20 lb tank that I needed to fill every 18 days or so, it served my refrigeration needs.
When the fridge pooped out, rather than have it repaired I switched to a Mobicool 12 v cooler because I had increased the size of my solar array in the years prior. Other than not having an option for frozen food, this cooler has worked very well for me and I no longer have the propane expense.
I’ll add that last summer I learned how to pressure can meat and that replaced my need for a freezer (other than wanting ice cubes and the occasional ice cream).