Thinking about installing a mini split yourself? With pre-charged R-454B...
https://telegra.ph/Will-DIY-Install-Void-My-Mini-Split-Warranty-07-28
Thinking about installing a mini split yourself? With pre-charged R-454B quick-connect linesets, you can skip the vacuum pump and avoid needing an EPA Section 608 license. Plug-in options for 9K and 12K units run on 115V power