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

https://edgarscoolchat.talesignal.com/posts/zone-air-cut-to-length-line-sets-how-do-i-measure-the-run-correctly

If you’re diving into a DIY multi-zone mini split project in 2026, Zone Air and MRCOOL both bring solid options. Zone Air edges out slightly with a 24 SEER2 rating, improving efficiency over MRCOOL’s 23 SEER2