A 3-zone DIY mini split lets you tailor heating and cooling across multiple...

https://www.e-architect.com/articles/best-3-zone-diy-mini-split

A 3-zone DIY mini split lets you tailor heating and cooling across multiple rooms without pricey ductwork. With units rated to -13°F for reliable winter comfort and SEER2 of 24, they’re efficient year-round