Thinking about a DIY mini split installation? With pre-charged R-454B...

https://blogfreely.net/rothesqlmw/what-size-mini-split-for-a-900-sq-ft-basement-or-great-room

Thinking about a DIY mini split installation? With pre-charged R-454B quick-connect linesets, you can skip the vacuum pump and avoid needing an EPA Section 608 license. Plus, 9K and 12K models offer simple 115V plug-in options