Thinking about a DIY mini split installation? With pre-charged R-454B...

https://angelojvrt605.wpsuo.com/how-long-does-a-concealed-duct-mini-split-install-take

Thinking about a DIY mini split installation? With pre-charged R-454B quick-connect linesets, you can skip the vacuum pump and avoid needing an EPA Section 608 license. Plus, 9K and 12K models offer simple 115V plug-in options