For 2026, MRCOOL’s 24 SEER2 edges Zone Air’s 23 SEER2. The choice is...

https://www.bookmarkpage.win/comparing-mrcool-and-zone-air-diy-mini-splits-for-2026-mrcool-s-24-seer2-edges

For 2026, MRCOOL’s 24 SEER2 edges Zone Air’s 23 SEER2. The choice is straightforward: pick MRCOOL for value if your winters stay above -15 F; choose Zone Air’s Hyper Heat if you need heating down to -22 F.