If you’re planning a DIY multi-zone mini split in 2026, Zone Air and MRCOOL...
https://record-wiki.win/index.php/What_to_Do_When_Your_Mini_Split_Line_Run_Exceeds_50_Feet:_Beyond_Couplers
If you’re planning a DIY multi-zone mini split in 2026, Zone Air and MRCOOL stand out for good reasons