Installing a mini split doesn’t have to be complicated. Many DIY-friendly units...
https://wiki-book.win/index.php/Zone_Air_3_Zone_36k_BTU_System:_High_Efficiency_Comfort_Perfect_for_1,800_Sq_Ft_Homes
Installing a mini split doesn’t have to be complicated. Many DIY-friendly units come with a pre-charged quick-connect lineset, so there’s no need for a vacuum pump or special EPA Section 608 license