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

https://research-wiki.win/index.php/Mini_Split_vs_Running_New_Ductwork:_Which_is_Cheaper_and_Less_Destructive%3F

If you’re planning a DIY multi-zone mini split in 2026, Zone Air and MRCOOL both stand out for different reasons. Zone Air’s units hit 24 SEER2 efficiency, so you get top-tier energy savings with a quieter operation