If you’re planning a DIY multi-zone mini split this year, Zone Air and MRCOOL...
https://post-wiki.win/index.php/How_Do_I_Keep_Line_Hide_Runs_Tighter_and_Less_Noticeable_on_the_Exterior%3F
If you’re planning a DIY multi-zone mini split this year, Zone Air and MRCOOL both offer solid options