The Picard Maneuver@piefed.world to People Twitter@sh.itjust.worksEnglish · 14 days agoYes please!media.piefed.worldimagemessage-square313fedilinkarrow-up11.56K
arrow-up11.56KimageYes please!media.piefed.worldThe Picard Maneuver@piefed.world to People Twitter@sh.itjust.worksEnglish · 14 days agomessage-square313fedilink
minus-squareAtariDump@lemmy.worldlinkfedilinkarrow-up1·6 days agoAs 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.
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.