If you’re tackling a DIY multi-zone mini split this year, Zone Air and MRCOOL...
https://miasimpressiveperspective.quantlynix.com/posts/is-a-230v-30a-mini-split-circuit-typical-for-multi-zone-units
If you’re tackling a DIY multi-zone mini split this year, Zone Air and MRCOOL offer solid options that balance efficiency and ease of install