Thinking about installing your own mini split? DIY kits with pre-charged R-454B...
https://www.beacon-bookmarks.win/thinking-about-a-diy-mini-split-install-these-systems-use-pre-charged-r-454b
Thinking about installing your own mini split? DIY kits with pre-charged R-454B quick-connect linesets make it easier—no vacuum pump or EPA Section 608 license needed. Choose from 115V plug-in models in 9K and 12K sizes. Most installs take 4 to 8 hours