For 2026, MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2, but the real choice is...

https://beausuniquechat.zenbloomer.com/posts/do-diy-mini-splits-really-need-no-hvac-license-or-epa-license

For 2026, MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2, but the real choice is heating range: choose MRCOOL for value above -15°F, or Zone Air Hyper Heat for performance down to -22°F.