A 3-zone DIY mini split lets you control comfort in multiple rooms without...

https://papa-wiki.win/index.php/Should_I_Do_a_3-Zone_Mini_Split_or_Just_Replace_My_Central_Air%3F

A 3-zone DIY mini split lets you control comfort in multiple rooms without running ductwork, and many models keep heating efficient down to -13°F, perfect for colder climates