Personal "air conditioners" aren't what they seem

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You know, it’s one thing when a product has a limited scope and application. It’s another when it’s passed off as something greater than what it is. Learn why these fad devices are fad devices in this video.

Here’s some of the stuff I referenced;

First, the channel HVACR Videos. This really is a fascinating channel if you’re curious about what goes into commercial refrigeration and air conditioning systems, and is a great resource for anyone looking to go into that trade;
The video I specifically referenced with the swamp cooler was actually two; in the second video, the swamp cooler is rebuilt.

Second, my old plugs;
Rice cooker:
Portable air conditioners:

Other assorted links;
Technology Connextras (the second channel that stuff goes on sometimes):
Technology Connections on Twitter:
The TC Subreddit

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BlendPiNexus says:

i've got a little cooler like this in my bedroom and it works quite well to keep the temps a few degrees cooler than they otherwise would be. granted i live in a dry climate that enables the practical use of these little things of cheap chinese engineering and manufacturing.

Scot Coon says:

Swamp coolers are awesome in the desert.
I made one by zip tying a water hose to mist into the air coming off a fan on a 110 degree day once.

Ben Gemignani says:

I DIY'd something like this when the a/c went out one sweltering August day, using a box fan and a plate of ice cubes. I like to think that, for a few moments befor the ice got its melt on, it functioned a wee bit more like an air conditioner.

Joseph Parker Ph.D., D. Div. says:

these are glorified swamp coolers on a small scale.

Master Chief says:

Isn't it humidifier?

Jason White says:

I did puncture one of those once, while I was inside my car. Oh my God what a mess that s*** makes it went everywhere. And it's not all refrigerant, cuz it didn't all boil away. There was residue all over the inside of my car that was a bitch to clean off.

CyberLitaBot says:

I just want something cool enough for the heat and humidity for my bunny to not have heat stroke. Thing is they work, but these mini air conditioners break so easily. I just found one that hopefully will stay cool and not break so easily. Complete 5 stars and good reviews.

Rosuav says:

Fun fact: Purely evaporative coolers CAN have a cold side and a hot side. A Coolgardie Safe is entirely passive (no fan at all!) and can cool its interior quite effectively. (Although they are significantly more efficient with an ambient breeze.) But that's in the generally-arid conditions of Australia, and their greatest usefulness is in the places that are (a) dry, (b) windy, and (c) without electricity (their complete passiveness is their greatest feature).

Kyle says:

Would they work outside in a high humidity high temperature environment? How do they differ from mist fans at theme parks? ( some of the personal evaporative cooler do have a mist function).

Morten Vinding says:

I first heard of them referred to as “desert coolers”.
I think that’s a much more fitting name.
they can be very effective in very hot and dry climates.
they should be very common in Iran I have heard. and that sounds like a perfect place to install them. (usually as whole house systems).

Voda Redhill says:

I had one,they don't work.

WillCal27 says:

have you touched on dual loop swamp coolers that sit on the roof and use a heat exchanger? they dont humidify the interior space.

Max Mustermann says:

A damp towel will do quite nicely without needing elictricity.

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