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Wanna buy a(nother) humidifier?
(thelemmy.club)
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this post was submitted on 19 Feb 2026
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I got a really nice humidifier off Amazon this winter. not one of those shitty sonic ones. I almost bought the fancy German one with the wheels but my wife wouldn't let me and I'm glad cause this one is kicking ass and was much cheaper. I'm into humidifiers yet I've never gotten an ad for one.
How do these humidifiers work? All I know about humidifiers comes from that technology connections video, so "one with wheels" tells me very little.
I think all the ones that don't just use heat to evapourate water follow this general strategy: do something that gets water droplets suspended in air, then blow that air out of the unit to let it evapourate in the drier air.
It's why the mist from a humidifier feels cool: it is still in the liquid state, those droplets stick to your hand, but also evaporate, taking heat from your hand or whatever body part you like shoving into the mist. No judgement.
If it was already in a gaseous state, it would condense on your hand and feel hot like the steam that tries to punish you for pouring your pasta into a strainer while holding it. Well, maybe not that hot, but it would be giving your body part heat as it condensed from the saturated air, which probably immediately evapourates again, taking that heat with it, but it would either be a net warming or neutral result instead of cooling.
The technology connections video I linked shows how ultrasonic, steam and evaporative humidifiers work, I was just wondering what "the fancy German one with the wheels" is, because I'm not even sure what it's supposed to look like.
Yeah, I'm curious, too.
I was able to find information on a wheel-based dehumidifier that uses things like silica gel to absorb water from the air and then heats it to dry it (with the wheel rotating between an open section it pulls water out of and a closed section it stores the water in). This can also act as a humidity buffer if it has a mechanism to switch between which side is open.
For pure humidifier, best guess is that it uses a wheel mechanism to increase the surface area of water so more evapourates naturally. Basically you have a drum rotating just fast enough that it dries completely by the time it goes under water again. This would function as a simple AC, too, at least until the air is saturated. Though I do find that it's in winter that I want more humidity and summer where I want less, so that wouldn't help me lol.
But I wasn't able to find clear information about if this is what OP was referring to, so that's just speculation.