Installing a mini split yourself can save time and money, but it takes careful...

https://kylersgreatblogs.lumenforgex.com/posts/what-happens-if-i-kink-the-mini-split-copper-line-even-a-little

Installing a mini split yourself can save time and money, but it takes careful prep. Learn why drilling a precise 3 to 3.5-inch hole through your wall makes all the difference for the line set