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

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

Installing a 3-zone DIY mini split lets you customize comfort room by room without huge energy bills. With a system that handles temps as low as -13°F and a SEER2 rating up to 24, you’ll stay cozy and efficient all year