Thinking about installing a mini split yourself? With pre-charged R-454B...

https://knoxuqsk688.cavandoragh.org/do-zone-air-mini-splits-come-with-wifi-or-do-i-have-to-buy-a-module

Thinking about installing a mini split yourself? With pre-charged R-454B quick-connect linesets, there’s no need for a vacuum pump or an EPA Section 608 license. Many 9K and 12K models even come as easy 115V plug-ins