10-06-2019, 10:13 AM
One uses evaporation. The other uses ice water and heat exchange. Both are economical if you have access to water and in one case ice. You can purchase ice makers for $100+.
https://www.youtube.com/watch?v=0LTdGjirNj8
https://www.youtube.com/watch?v=nSA1OGhB-WI
https://www.youtube.com/watch?v=0LTdGjirNj8
https://www.youtube.com/watch?v=nSA1OGhB-WI