If you're planning a DIY multi-zone mini split in 2026, Zone Air and MRCOOL...

https://kylersgreatblogs.lumenforgex.com/posts/where-can-i-get-help-sizing-a-multi-zone-mini-split-before-i-buy

If you're planning a DIY multi-zone mini split in 2026, Zone Air and MRCOOL both offer solid options with thoughtful features