Thinking about a DIY mini split? These systems use pre-charged R-454B...

https://wiki-zine.win/index.php/Why_Are_Contractor_Mini_Split_Quotes_So_High_in_2026%3F

Thinking about a DIY mini split? These systems use pre-charged R-454B quick-connect linesets, so there’s no need for a vacuum pump or EPA Section 608 license. Plus, plug-in 115V options for 9K and 12K units make installation simple