Thinking about installing your own mini split? DIY kits with pre-charged R-454B...

https://zone-air.com/solutions/diy-mini-splits/

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