Installing a mini split yourself can save money and give you control over your...

https://iris-wiki.win/index.php/Traditional_Flare_Mini_Split_Install:_What_Extra_Steps_Make_It_Harder%3F

Installing a mini split yourself can save money and give you control over your comfort. This guide walks you through drilling a precise 3 to 3.5-inch hole for the line set, choosing between 115V and 230V power, and handling quick-connect pre-charged lines