Installing a DIY mini split system is simpler than you think. With pre-charged...

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

Installing a DIY mini split system is simpler than you think. With pre-charged R-454B quick-connect linesets, you skip the vacuum pump and don’t need an EPA Section 608 license. Plug in the 115V models for 9K and 12K units and be cooling in 4 to 8 hours