Thinking about installing a mini split yourself? DIY kits with pre-charged...

https://mighty-wiki.win/index.php/What_is_a_Concealed_Duct_Mini_Split_and_When_Does_It_Make_Sense%3F

Thinking about installing a mini split yourself? DIY kits with pre-charged R-454B quick-connect linesets make it simple—no vacuum pump or EPA Section 608 license needed. Plug-and-play 115V models for 9,000 and 12,000 BTUs let you skip complicated wiring