Installing a mini split doesn’t have to be complicated. With pre-charged...

https://romeo-wiki.win/index.php/Is_a_3_Zone_Mini_Split_Hard_to_Install_in_an_Older_House%3F

Installing a mini split doesn’t have to be complicated. With pre-charged quick-connect linesets up to 16 feet, you can skip the vacuum pump and avoid needing an EPA Section 608 license