If you’re tackling a DIY multi-zone mini split project in 2026, Zone Air and...

https://ace-wiki.win/index.php/Zone_Air_Multi-Zone_DIY_Systems:_Are_They_Tested_for_Leaks_Before_Shipping%3F

If you’re tackling a DIY multi-zone mini split project in 2026, Zone Air and MRCOOL both make solid choices—but with some key differences to consider