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

https://sethscoolword.publishlane.com/posts/mini-split-for-a-workshop-600-sq-ft-is-18-000-btu-enough

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