Thinking about a DIY mini split install? These systems use 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 install? These systems use pre-charged R-454B quick-connect linesets, so there’s no vacuum pump or EPA Section 608 license needed. Plus, the 9K and 12K units come with easy 115V plug-in options