Thinking about a DIY mini split system? These units come with pre-charged...

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

Thinking about a DIY mini split system? These units come with pre-charged R-454B quick-connect linesets, so you can skip the vacuum pump and the EPA Section 608 license hassle. Many 9K and 12K models even offer simple 115V plug-in options