I'm far from an expert. I don't know much about split systems. I can only evaluate by how it cools, by the volume of work, and by appearance. So 1) it cools quickly, maintains the temperature that it has set, it doesn’t freeze to icicles 2) it’s quiet, especially in night mode, you can’t hear it at all 3) outwardly neat, smooth, without protrusions and other things, it doesn’t collect dust.
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