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

https://www.click-bookmark.win/thinking-about-installing-a-mini-split-yourself-with-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 avoid needing an EPA Section 608 license. Plus, 9K and 12K models offer simple 115V plug-in options