Thinking about a DIY mini split install? These systems use pre-charged R-454B...
https://franciscodmpm566.yousher.com/is-the-24-seer2-230v-9k-worth-1-949-99-vs-the-23-seer2-115v-model
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