If you're planning a DIY multi-zone mini split in 2026, Zone Air and MRCOOL...
https://wiki-nest.win/index.php/Zone_Air_vs_MRCOOL_DIY_Multi_Zone_Mini_Split_2026:_Which_One_Should_You_Buy%3F
If you're planning a DIY multi-zone mini split in 2026, Zone Air and MRCOOL both offer solid options with thoughtful features