this post was submitted on 20 Jul 2023
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A human pedaling on a stationary bike IS a heater, if he's getting 100 watts continuous at the generator then he's probably producing a 2-3 times that amount in heat. Plus that's heat injected directly into him, so it's well retained by wearing warm clothes, no space heating needed.
True, but the book does mention a space heater. You are right. To maintain 98.6F the human body puts off ~200 watts of heat