Installing a mini split yourself can save money and give you control over your...
https://cleaningservicesgrandrapidsmi.com/pioneer-mini-split-do-i-need-gauges-and-a-vacuum-pump/
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