this post was submitted on 17 Feb 2024
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Showerthoughts

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If a machine is never 100% efficient transforming energy into work because part of the energy is converted into heat, does it mean an electric heater is 100% efficient? [@showerthoughts@lemmy.world](h (social.graves.cl)
submitted 9 months ago by alvaro@social.graves.cl to c/showerthoughts@lemmy.world
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If a machine is never 100% efficient transforming energy into work because part of the energy is converted into heat, does it mean an electric heater is 100% efficient? @showerthoughts@lemmy.world

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[–] OhmsLawn@lemmy.world 2 points 9 months ago (2 children)

I believe, in terms of work, that would be 0% efficient. You're basically going all-in on entropy.

[–] RobotToaster@mander.xyz 6 points 9 months ago

You’re basically going all-in on entropy.

We all do that eventually.

[–] starman2112@sh.itjust.works 1 points 9 months ago

I mean, if going all in on entropy is the goal, then space heaters are 100% efficient. If what you're trying to do is heat a room, they're also 100% efficient at turning electricity from the wall into heat energy in the room, but heat pumps are far better at that