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

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If you’re planning a DIY multi-zone mini split, Zone Air and MRCOOL both offer solid choices in 2026. Zone Air stands out with its cut-to-length line sets, which can save time and reduce waste compared to MRCOOL’s fixed lengths of 16, 25, 35, or 50 feet