Installing a mini split yourself is easier than you might think. With...

https://tessatopmaid.com/how-do-i-pick-between-wall-mount-cassette-and-concealed-duct-mini-splits/

Installing a mini split yourself is easier than you might think. With pre-charged R-454B quick-connect linesets, you skip the vacuum pump and don’t need an EPA Section 608 license. Choose 9K or 12K units with simple 115V plug-in options