Thinking about a DIY mini split install? These systems use pre-charged R-454B...

https://caidenaope074.trexgame.net/is-the-27-000-btu-9k-18k-dual-zone-setup-a-weird-combo-or-smart

Thinking about a DIY mini split install? These systems use pre-charged R-454B quick-connect linesets, so you skip the vacuum pump and the need for an EPA Section 608 license. Plug into a regular 115V outlet with 9K and 12K units