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

https://melissafreshmaid.com/ladder-work-on-a-second-story-mini-split-install-when-is-it-too-risky/

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