Looking to install a mini split yourself? DIY kits with pre-charged R-454B...

https://wiki-burner.win/index.php/Concealed_Dual-Zone_Mini_Split_%E2%80%93_What_Does_19_SEER2_Mean_in_Real_Bills%3F

Looking to install a mini split yourself? DIY kits with pre-charged R-454B quick-connect linesets make it simple—no vacuum pump needed and you don’t need an EPA Section 608 license. Plus, 9K and 12K units come with easy 115-volt plug-in options