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Oh no. It’s a new version of a well-established product that trades efficiency for convenience. But this time, it’s more than just being cool. It’s about cooling.

Seriously, either we need to get more awareness of how dumb single-hose portable A/C units are, or we need to just use window units whenever possible. While I know that there are times a portable unit is the only option (remember, I’m in that boat), it seems that only very high capacity, premium machines have the facility to use two hoses. Which is frankly stupid but then again that’s what I’m trying to tell you now.

How about some links? Ya link links? I’ve gathered some for you:

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The TC Subreddit

Technology Connections 2 (the channel where I sometimes talk about stuff and generally don’t prepare for anything):

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43 thoughts on “Portable Air Conditioners – Why you shouldn't like them

  1. H20Bear Boy says:

    They actually are heat pumps, you can use em as a heater in the winter. and I use 2 in my home in California, and both of em are really efficient at cooling or heating a room – keeps me from running the central Hvac system – saves loads of money. window units they replaces cost alot more to run, and had to be removed every fall – stored somewhere then re-installed in the window. Sorry – from a guy who has used both extensively – no contest, give me the portable heat pumps every time

  2. Joe Jackson says:

    Our 2 and ahalf ton central went out last September and of course it was on a Saturday. We touched it out on Sunday then was told it would be a week before our new Trane 3 ton variable speed unit would be in. Fortunately they let us borrow 2 inside air conditioners. We put the larger unit in the living room and the smaller one in our bedroom. I was shocked! We actually had to turn them down to avoid getting too cold. I definitely recommend having one in case of an emergency!

  3. Sithis says:

    My AC on wheels does a great job for what I bought it for. To keep me decently chilled while my graphics card tries its best to burn down all things near it.

  4. David Erdman says:

    This is absolute nonsense. I have sold hundreds of used air conditioners in the Seattle area for many years. I used a digital thermometer to determine the output of cold air they produce. Many of them blew air so cold that the thermometer couldn't even register the temperate as they were blowing 40 degrees BELOW freezing! I used the effectiveness of these amazing machines to sell themselves by showing my customers how incredibly cold air they are capable of producing. This is couldn't be any further from the Truth of reality.

  5. eleanor wittering says:

    Thank you for this "scientific" explanation of how an air-conditioner works! I "was" going to buy a portable unit! …I'll find "another" way!

    Indoor Portable Air Conditioning Units make the same sense as opening a refrigerator to cool oneself, but "warm up" the entire room because the refrigerator is "working harder"!

  6. B F says:

    There's also the drain hose to consider, that was a big issue because I live in a rather humid area. Standard window units simply drain because that area is exposed to the outside, these units need a catch-bowl or you have to run a hose. I used one in a small space, it was OK and was the only real option… Log Cabin. Later used the same unit in a small Office 8ft X 12ft, worked great but was rather noisy. These are great for folks who travel and have the space to bring along, will cool down a tent or camper with ease.

  7. George Martin says:

    I got hoodwinked by one of these before they started listing the dual BTUs and I should have known better. I'm sure someone can think of it, but anytime you see "portable", it also means "tradeoff", and I should have remembered that and done more homework.

  8. SGY says:

    The best part of video about which no Portable AIR Conditioner Manufacturer tell – It sucks cold air from room to cool the unit. Its perfectly brilliant wrong idea !!

  9. abujabi says:

    Thanks. Explains why the one I bought could only cool the immediate area in front, but can barely drop the temperature of my small bedroom after hours of operating.

  10. pcjoker says:

    Other downsides for window units are the outside portion can get very dirty and rusty quickly. And they can leak down your wall ruining it.

  11. plekkchand says:

    Thanks for telling me what I should and shouldn't like. I'd never know how to do it on my own. Not only that, you look like just the person qualified to do it.

  12. Ken Bach says:

    I had one years ago and in the middle of the night that heat exhaust hose came out of the air conditioning unit and my house was 94. Way hotter than it was outside at 4:00 in the morning.

  13. TexasCrazydoglady says:

    I am a single disabled woman, I went with the portable, because I can't even lift one of the window units. Living in Texas, without central air conditioning, the portables are my only option. I have gone thru a lot of different brands and have found that the Black and Decker is the most cooling. And lasts the longest. Buy from Home Depot, if there is any issue, they will take care of it.

  14. Coltography says:

    I have successfully transformed one of these single-tube portable units into a dual hose so my apartment wasn't a "vacuum" and it made a noticeable difference. Also wrapped the hot tube in insulation and it helped the cycle times. Looked like shit though lol

  15. July C says:

    Impress with such of great explanations, thank you for making the video for many of us that are not AC techs. Keep up the good work 👏🏻

  16. Tobi Walker says:

    I am physically unable to install a window air conditioner and my portable was the only option. It kept the dogs and me cool in one room in our single-wide trailer. My major objection to it was its size, I had to remove a piece of furniture from the room for the summer. This year I have a standard window-mount machine. The no-drill shelf cost me $80 and having somebody lift the unit from the box and put it on the shelf another $100 but at least I don't have to forego my nightstand.

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