If you’re thinking about a DIY multi-zone mini split in 2026, Zone Air and...
https://high-wiki.win/index.php/How_Do_I_Plan_Line_Set_Routes_So_They_Don%27t_Cross_Windows_and_Trim%3F
If you’re thinking about a DIY multi-zone mini split in 2026, Zone Air and MRCOOL are solid options worth considering