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

https://zoom-wiki.win/index.php/Is_the_Thin-Air_11,000_BTU_Concealed_Unit_at_$2,699.99_Worth_It%3F

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