Goldholz @lemmy.blahaj.zone to Ask Lemmy@lemmy.world · 10 个月前How many of you microwave water for tea?message-squaremessage-square144fedilinkarrow-up1113arrow-down19file-text
arrow-up1104arrow-down1message-squareHow many of you microwave water for tea?Goldholz @lemmy.blahaj.zone to Ask Lemmy@lemmy.world · 10 个月前message-square144fedilinkfile-text
minus-squareSidyctism II.@discuss.tchncs.delinkfedilinkarrow-up2arrow-down1·10 个月前afaik electric kettles are the most efficient machines around. something like 95% efficiency
minus-squareAllero@lemmy.todaylinkfedilinkarrow-up2arrow-down2·edit-210 个月前Every thermal machine is technically ~100% efficient at producing heat, but then how much heat is spent usefully is another metric, depending on materials used (and subsequent thermal dissipation), loss in cables, etc.
afaik electric kettles are the most efficient machines around. something like 95% efficiency
Every thermal machine is technically ~100% efficient at producing heat, but then how much heat is spent usefully is another metric, depending on materials used (and subsequent thermal dissipation), loss in cables, etc.