If you're tackling a 3-zone mini split yourself, a system with a SEER2 rating...
https://www.bookmarkingvictor.win/thinking-about-a-3-zone-diy-mini-split-these-systems-can-handle-temperatures-1
If you're tackling a 3-zone mini split yourself, a system with a SEER2 rating around 24 makes a big difference in savings and comfort