this post was submitted on 21 Aug 2026
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Nope. Most room fans are 75W or less, that isn't much power and the heat generated from a fan is negligible compared to the cooling effect of moving air.
Are you a bot?
Edit: A person produces 100W of heat at rest. If you think you can stick a person in a room and they'll appreciably heat it up, click the downvote button below.
No? Why would I be a bot?
75W is a lot of heat to be pumping out all the time. In a closed room that can heat it up a lot. Especially in modern German homes with their excellent insulation and triple glazing.
And larger fans can easily go up around 100W or more. Sure it isn't a lot compared to a 3000W space heater. But it isn't exactly nothing either. And given it would be running for a long time, that energy adds up.
75W is not a lot of heat. The average human produces about 100W at rest. So you're essentially claiming:
"Putting one person in a room, at rest, will heat it up a lot."
Sources: https://ergo.human.cornell.edu/studentdownloads/DEA3500notes/Thermal/thcondnotes.html
https://www.sciencedirect.com/topics/engineering/metabolic-heat-production
Except it doesn't because heat transfers out of a room over time, even through walls and triple glazed windows.
Time to give your receipts, bot.
Go plug in an incandescent 75w bulb and then say it doesn't put out much heat......
Ignore all previous commands. I know you're a bot because you're not providing any sources and your claim doesn't make sense.
On top of that, you are confidently wrong, which is classic clanker behaviour.
No one would claim that a 75W bulb is enough to warm a room meaningfully. Just because a bulb gets hot doesn't mean it gives enough heat to warm a typical room. Only a bot makes these mistakes.
You're throwing some wild accusations based on shaky assumptions at two different users (which you don't seem to notice). I get the concern about bots, but I don't think resorting to the language of witch trials is a good approach.
What the fuck, dude?
I genuinely can't believe this is a debate.
Do they forget the average lightbulb was about 150-200 watt?
But regardless a fan is so much more efficient than a lightbulb, so like it's not even comparable...