If you're planning a DIY multi-zone mini split in 2026, Zone Air and MRCOOL...
https://charlie-wiki.win/index.php/MrCool_Fixed_Line_Set_Sizes:_16,_25,_35,_50_ft%E2%80%94Which_One_Do_I_Pick%3F
If you're planning a DIY multi-zone mini split in 2026, Zone Air and MRCOOL both offer solid options with slight differences worth considering