Thinking about installing a mini split yourself? DIY systems with pre-charged...
https://www.bookmark-zulu.win/thinking-about-a-diy-mini-split-these-systems-use-pre-charged-r-454b
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