For 2026, MRCOOL’s 24 SEER2 edges Zone Air’s 23 SEER2, but efficiency isn’t the...

https://storyquanta.com/s/m7xzTwDZMOTldUVyubXiU

For 2026, MRCOOL’s 24 SEER2 edges Zone Air’s 23 SEER2, but efficiency isn’t the whole call. Choose MRCOOL for stronger value in climates above -15°F; pick Zone Air Hyper Heat if you need dependable heating down to -22°F. Match the unit to your winter lows