Comparing MRCOOL and Zone Air DIY mini splits for 2026? MRCOOL offers 24 SEER2...

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Comparing MRCOOL and Zone Air DIY mini splits for 2026? MRCOOL offers 24 SEER2 versus Zone Air’s 23. The real choice: save with solid value above -15°F, or pay more for Hyper Heat performance down to -22°F. Check your winter lows before choosing.