Thinking about installing a mini split yourself? DIY kits with pre-charged...

https://source-wiki.win/index.php/What_Does_a_Dual-Zone_System_Mean_for_Thermostats_and_Schedules%3F

Thinking about installing a mini split yourself? DIY kits with pre-charged R-454B quick-connect linesets make it simpler—no vacuum pump or EPA Section 608 license needed