For 2026, MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2, but the best pick depends...

https://trevorscoolthoughts.cavandoragh.org/mrcool-standard-models-heat-to-5-f-is-that-the-same-as-hyper-heat

For 2026, MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2, but the best pick depends on your winter. Choose MRCOOL for value above -15°F; choose Zone Air Hyper Heat for heat down to -22°F. Check your local lows, home needs, and budget before you buy.