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

https://annamaid.com/what-are-the-downsides-of-not-self-installation-mini-splits-that-ship-empty-line-sets/

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