News for hackers. Stuff that matters.

A comment on Desalination system could produce freshwater that is cheaper than tap water. Parent comment

Re:Desalination system could produce freshwater that is chea... by colechristensen on Wednesday September 27, 2023 @04:56PM (#37681192)
The problem is you want your hot water much hotter than your solar panels so there may be limited use for this compared to a traditional solar water heater.
[ Parent | on HN ]
Re:Desalination system could produce freshwater that is chea... by hinkley on Wednesday September 27, 2023 @05:23PM (#37681524)
Heat pump water heaters exist. I would think running a warm water source past one would increase the efficiency since it lowers the delta-T
[ Parent | on HN ]