it really depends on where that DC is. In AZ/NM, etc., evaporative cooling is massively efficient. In FL, likely less so.
On Thu, Mar 12, 2026 at 5:18 PM rusty carruth via PLUG-discuss < [email protected]> wrote: > On Thu, 2026-03-12 at 16:37 -0400, Stephen Partington via PLUG-discuss > wrote: > > I would like to see that no water DC. to me, that is the way to go at > > this rate of expansion. Most of those DCs are probably using water > > tower evaporation cooling. which is why they consume the water rather > > than recycle it. > > I've always wondered about the efficiency of water cooled vs 'normal' > AC units. So, I did a search, and apparently water cooled used to be > more efficient (assuming plenty of water available), but not so much > any more. > > https://www.araner.com/blog/water-cooled-systems-and-air-cooled-systems > has a comparison (they make both systems) > > However, > > https://www.energyresourcesgroupinc.com/erg-bulletin/air-vs-water-cooled-equipment/ > says that water cooled can be 2x (or more) efficient than air-cooled. > > And then there's this > https://noraideas.com/air-source-heat-pump-vs-water-source-heat-pump/ > which looks like slightly different technology than water tower-based. > > So, now I know - it depends ;-) > > --------------------------------------------------- > PLUG-discuss mailing list: [email protected] > To subscribe, unsubscribe, or to change your mail settings: > https://lists.phxlinux.org/mailman/listinfo/plug-discuss > -- A mouse trap, placed on top of your alarm clock, will prevent you from rolling over and going back to sleep after you hit the snooze button. Stephen
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