If you’re tackling a multi-room upgrade, a 3-zone mini split is a solid choice...

https://www.bookmarkzoo.win/thinking-about-a-3-zone-diy-mini-split-it-s-a-smart-way-to-heat-and-cool

If you’re tackling a multi-room upgrade, a 3-zone mini split is a solid choice for targeted comfort without breaking the bank. With SEER2 ratings around 24, these systems run efficiently through summer and winter, even down to -13°F