If you’re thinking about a DIY multi-zone mini split, Zone Air and MRCOOL stand...
https://codysnewinsight.swiftnestly.com/posts/i-have-high-ceilings-should-i-use-a-low-profile-cassette-in-the-family-room
If you’re thinking about a DIY multi-zone mini split, Zone Air and MRCOOL stand out for practical reasons