Thinking about installing a mini split yourself? With pre-charged R-454B...

https://claytoncllo171.tearosediner.net/do-quick-connect-mini-splits-need-nitrogen-pressure-testing

Thinking about installing a mini split yourself? With pre-charged R-454B quick-connect linesets, you skip the need for a vacuum pump or an EPA Section 608 license. Models like the 9K and 12K even offer simple 115V plug-in options