Installing a DIY mini split system just got easier. Use pre-charged R-454B...

https://wiki-coast.win/index.php/Is_the_24_SEER2_230V_9K_Worth_$1,949.99_vs_the_23_SEER2_115V_Model%3F

Installing a DIY mini split system just got easier. Use pre-charged R-454B quick-connect linesets—no vacuum pump or EPA Section 608 license needed. These units offer simple 115V plug-in options for 9K and 12K models