Installing a mini split doesn’t have to be complicated. Many DIY-friendly...

https://www.emergbook.win/thinking-about-a-diy-mini-split-these-systems-come-with-pre-charged-r-454b

Installing a mini split doesn’t have to be complicated. Many DIY-friendly models come with a pre-charged quick-connect lineset that fits up to 16 feet, so you won’t need a vacuum pump or an EPA Section 608 license