Do Mini Portable Air Conditioners Really Work?

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[danielgaddis]

It's an evaporative cooler. Won't work in humid environments. The water in the pad changing from a liquid to a vapor absorbs heat from the air. A super efficient one can lower the air temperature 15 to 20° maximum. This unit will not cool down a room it might blow some cool air onto a person but that's about it.

[finnmccool]

I bought mine on Monday, and returned it on Wednesday. Enough said.

[LedaMuchomas]

Just a warning..if you see one being demonstrated in an air conditioned show room it can be very deceiving . I watched a group of people in a store standing around a running display of one of these gadgets and they were just awed by how cold the air coming out felt! Just like a real air conditioner!! Sure, if the air going in is already cooled..it’s going to feel like a real air conditioner. But believe me..when the air is 80 degrees it’s a much different result. If you want to know what it’s gonna feel like, wet a hand towel, wring it out and put it in front of a fan..that’s about what you can expect. Which certainly has its uses..as long as you manage your expectations.

[txlatinchicka]

Thank you, thank you! This review is the ONLY one which tells how LONG it actually cools! No other review mentions that!
While this is not the latest model, the cooling time is ESSENTIAL to know.
Thank you.👍

[grahvis]

If you cool something down, the heat must go somewhere, so ask yourself, where is it going.
Proper air conditioners vent to the outside.

[bgdavenport]

Most folks are not accustomed to work in a hot workshop/greenhouse environment. If they were, they would quickly recognize this class of "air conditioner" as a miniature swamp cooler. The method of operation is simple; ambient air is forced over a permeable, wet substrate which lowers the temperature of the air but increases the humidity (quite a bit). You can lower the temperature in a room by as much as 10 degrees with a couple of non-oscillating fans positioned so that they create a cyclonic air flow around the room.

[Raiche]

Thank you for the comments. It's a fan. The humidity can be a plus or a minus.

[tboy]

Notice no one is saying how it actually works and that's because it doesn't!

[jspanyer]

Bologna, I bought one and it's no better than a fan and probably not even as good, because most fans blow a lot harder. But if you want moist warm air in your room, that you're trying to cool and probably dehumidify, and these mini water based units will work great for you.

[newsguy]

ACtually because it does put water into the air, I used mine as a sort of mini-humidifier during the winter. It helps! But as for the AC--kind of lame.

[edcaperson]

The only thing worse than being hot is being hot and humid

[stugiles]

Considering that the function of true AC is humidity removal, then why do you ADD water for this unit? That adds humidity to the surrounding air. Sounds like a fan with a block of ice in front of it would serve the same purpose.

[micsurveylimiteduk]

If it was an aircon it would have a BTU grade. Its just just water cooler and end off day your room will not get any cooler because it work more like a fan.

[fys]

One of the ways that an air conditioner helps to cool you, is by removing the humidity in the air, allowing your sweat to evaporate.

This unit, while it does decrease the air temp by a few degrees, it also increases the humidity in the air, and that will make you feel worse in the long run.

[Weisswurstesser]

Wonder what will happen when the moisture level in the air rises to a level when you wish you would still have never turned it on.

[tonyktown]

I own two of that same model. I live in Los Angeles, where the summer air tends to be hot and dry in the daytime, and warm and dry at night. That little cooler on the table next to the bed keep that immediate area nicely cooled and works fine. The only time I now have to run the AC is when the temps go over 90 with high relative humidity, otherwise I just run the coolers.

[celticwarlord]

I was given one as a gift. I donated it to a charity thrift shop a week later. I would never recommend one of these to a friend or family member.

[theresarogerssimpson]

I have A northern chill mini air cooler it's decent when i am cooking and in my small bathroom. Wet the filter freeze for 30-60min add ice with the water it helps.

[unknown.]

Believe me if it doesn't work off a refrigerant it's junk. And if he recommend you getting one then he's is the one who's trying to scam you or helping to scam you..

[johnpotter]

I have been designing air conditioning systems for the past 45 years. I've been asked about these "amazing" devices whose inventors live under the threat of assassination by agents from the big air conditioning companies. I wish. The numbers don't add up. I pound of water evaporated by an evaporative cooler extracts around 1, 000 BTU, adding that amount of water to the air as vapor/absolute humidity. The units hold about a pint of water, or 1/8 of a pound, Running for an hour, one of these machines would remove 120 BTU per hour. Not enough to blast a room with freezing air. It is interesting that this scam has become so popular. It's a waste of money.