SmarterHome™ 2.0kW Portable Air Conditioner (7,000 BTU) - KAWFPAC07JA

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Reddit Reviews
I used to have one of [these](https://www.kogan.com/au/buy/kogan-smarterhometm-20kw-portable-air-conditioner-7000-btu-white-kogan/). Worked extremely well.
Kogan yea, the vertical one I got last year for sub-$500 is FAR better than the one on wheels with a hose I previously had haha. Planning on buying another soon during the sales.
I have a Kogan wifi one from a few years back, works great for the size of room it is rated for, just a bit noisy - which I expect would be the same with all of them
I've got an Kogan one I've used for my office for the past couple years now. While it may be a little noisy, it does the job and was a great white noise machine for my son during those hot summer nights.
I used a $600 portable aircon for a few years, it's good enough for a single room. Not exactly quiet, but you forget about the noise pretty quickly when you feel the cool air. You can buy them at any electronics place, I got mine from Kogan. The brand doesn't seem to be available any more though. Split system is much superior of couse, and doesn't need you to do tricky stuff with the windows (and no security issues with someone being able to remove the air-con window shield and gain access).
Kogan sell ones that work well, but they are heavy and use a fair bit of power. You will need a window to exhaust the hot air through along with a baffle to fit it. They usually come with one that can be modded to suit somewhat.
Got one from Kogan. It makes a difference. With our the pain is that in some rooms it’s difficult to access the window for the nozzle to go out. The pipe also gets quite warm. It’s better than nothing though
While I can't recommend a particular model you are lucky because I have researched the shit out of this. Firstly try avoid a portable air-con if you can for all these [reasons.](https://www.youtube.com/watch?v=_-mBeYC2KGc) If you are staying in the same class room all day I would consider talking to someone at local council about the legalities of fitting a box window aircon unit with a [no drill bracket.](https://www.amazon.com.au/Fioracl-Conditioner-Mounting-Drilling-Universal/dp/B0B2BQKYCB/) This would be ideal since the noise and heat would be shifted outside. Maybe consider just checking if it is ok with the principal instead of council if no one is likely to be bothered by it. If you can't do this and are looking for a portable aircon get the most powerful unit you can (the bigger the BTU number the better) from the wall sockets you have (check if it can handle the power requirements using a small heater/blow dryer/kettle). Get one that allows you to fit a second intake hose to the unit. [Some units come like this from the factory](https://www.youtube.com/watch?v=ZhggpHRYCRs) (you will have to order the second hose kit from the USA) [others you will have to modify yourself](https://www.youtube.com/watch?v=9NCtsZvqZ94) using stuff purchased at Bunnings. I did mine (a Kogan unit) using corflute, fabric tape, flexible foil ducting and twist ties. Just make sure the intake pipe is bigger than the exhaust pipe and make the mod as airtight at possible. Consider getting an [insulation shield](https://www.amazon.com.au/Portable-Hose-Insulation-Sleeve-Conditioners/dp/B0CXPNHDP1/) for the exhaust pipe. All the negativity you hear about portable aircons not working is from people who used a single hose unit or those who tried to cool rooms that were too big for the unit . Yes the noise is an issue with portable aircons but this is reduced one you fit the second intake hose.
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