If you’re thinking about installing a mini split yourself, start by planning a...

https://www.pinuphouses.com/diy-ductless-mini-split-step-by-step-installation-buyers-guide/

If you’re thinking about installing a mini split yourself, start by planning a 3-3.5 inch hole through an exterior wall for the line set. Most single-zone systems run on standard 115V power, which simplifies wiring