Thinking about installing a mini split yourself? DIY systems with pre-charged...
https://wiki-book.win/index.php/How_Do_I_Size_a_Mini_Split_with_Vaulted_Ceilings_Over_8_Ft%3F
Thinking about installing a mini split yourself? DIY systems with pre-charged R-454B quick-connect linesets make it easier—no vacuum pump or EPA Section 608 license needed. The 115V plug-in options for 9K and 12K units simplify power requirements