Installing a mini split doesn’t have to be complicated. Many DIY-friendly units...
https://www.slideserve.com/gwyneyxcez/should-i-do-two-single-zone-mini-splits-instead-of-one-dual-zone-system
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