If you’re planning a DIY multi-zone mini split, both Zone Air and MRCOOL offer...

https://wiki-saloon.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, both Zone Air and MRCOOL offer solid options with real perks