A 3-zone DIY mini split lets you customize heating and cooling in different...

https://www.bookmark-tango.win/thinking-about-a-3-zone-diy-mini-split-to-keep-your-rooms-comfy-year-round

A 3-zone DIY mini split lets you customize heating and cooling in different rooms without breaking the bank. With a solid -13°F heating rating, it keeps things cozy even when it’s freezing outside