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
I had a Kogan one that lasted many summers, only sold it cause I moved to a place with aircon. Just don’t be tempted to buy a cheaper evaporative cooler as they don’t work in humid climates
I've had one of those Kogan ones for a few years - has that big flexible tube that sends the hot air out the wibdow. Yes it is noisy but it does keep my bedroom cool. It comes with this plastic zipper stuff so it will fit any type of window. It won't cool a whole apartment. Totally worth it I reckon. I assume the current models are cheaper and quieter. Even on some days that are not super hot outside, our rental is crap so inside will be a bit of an oven so I've found it useful from November through to April-ish lol.
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