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Yes please! (media.piefed.world)
submitted 2 weeks ago by The_Picard_Maneuver@piefed.world to c/whitepeopletwitter@sh.itjust.works
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[-] AtariDump@lemmy.world 1 points 6 days ago

As recently as the 1990s, even the most efficient gas water heaters only had a UEF of around 0.70 (i.e., 70%), meaning that at least 30% of the fuel used (or 30 cents of every dollar spent) was wasted and not producing usable hot water.

this post was submitted on 17 Nov 2025
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