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

https://fionafreshmaids.com/what-dual-zone-mini-split-covers-about-1200-sq-ft/

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