Installing a mini split doesn’t have to be complicated. With pre-charged...

https://wiki-legion.win/index.php/Ceiling_Cassette_Mini_Split:_Is_It_Worth_the_Extra_Ceiling_Work%3F

Installing a mini split doesn’t have to be complicated. With pre-charged quick-connect linesets up to 16 feet, you can skip the vacuum pump and the need for an EPA Section 608 license