Thinking about a DIY mini split installation? With pre-charged R-454B...

https://www.jelly-bookmarks.win/thinking-about-a-diy-mini-split-install-these-systems-use-pre-charged-r-454b

Thinking about a DIY mini split installation? With pre-charged R-454B quick-connect linesets, you can skip the vacuum pump and the EPA Section 608 license hassle. Models like the 9K and 12K run on simple 115V plug-in power