Tackling a 3-zone DIY mini split lets you customize comfort room-by-room...

https://www.red-bookmarks.win/thinking-about-a-3-zone-diy-mini-split-these-systems-offer-efficient-heating

Tackling a 3-zone DIY mini split lets you customize comfort room-by-room without drilling through walls or rebuilding ductwork. These systems often boast heating down to -13°F and SEER2 ratings around 24, so they’re efficient even in bitter cold