Thinking about a DIY mini split install? Pre-charged R-454B quick-connect...
https://wiki-book.win/index.php/Will_Replacing_Two_Window_AC_Units_with_One_12K_Mini_Split_Cut_My_Bill%3F
Thinking about a DIY mini split install? Pre-charged R-454B quick-connect linesets make it simple—no vacuum pump or EPA Section 608 license needed. Plus, the 9K and 12K models have convenient 115V plug-in options. Most installs take 4 to 8 hours