Thinking of installing a mini split yourself? Our DIY systems use pre-charged...

https://nova-wiki.win/index.php/How_Much_Money_Do_You_Really_Save_Installing_a_Mini_Split_Yourself%3F

Thinking of installing a mini split yourself? Our DIY systems use pre-charged R-454B quick-connect linesets, so no vacuum pump or EPA Section 608 license is needed