Installing a mini split yourself can save money but requires careful planning....

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

Installing a mini split yourself can save money but requires careful planning. In this guide, I’ll walk you through drilling the right size 3-3.5 inch hole for the line set and choosing between 115V or 230V power options