Thinking about a DIY mini split install? These systems use pre-charged R-454B...
https://tiny-wiki.win/index.php/Is_the_24_SEER2_230V_9K_Worth_$1,949.99_vs_the_23_SEER2_115V_Model%3F
Thinking about a DIY mini split install? These systems use pre-charged R-454B quick-connect linesets, so there’s no need for a vacuum pump or EPA Section 608 license. Models in 9K and 12K come with easy 115V plug-in options