Thinking about a DIY mini split install? These systems use pre-charged R-454B...
https://cleaneverycorner.com/is-a-21000-btu-12k9k-dual-zone-mini-split-enough-for-two-rooms/
Thinking about a DIY mini split install? These systems use pre-charged R-454B quick-connect linesets, so there’s no vacuum pump or EPA Section 608 license needed. Plus, the 9K and 12K units come with easy 115V plug-in options