For 2026, compare MRCOOL at 24 SEER2 with Zone Air at 23 SEER2. Choosing a DIY...

https://andysinspiringcolumns.yousher.com/what-happens-if-my-mini-split-is-undersized-and-runs-nonstop

For 2026, compare MRCOOL at 24 SEER2 with Zone Air at 23 SEER2. Choosing a DIY mini split? MRCOOL is the better value when winter lows stay above -15°F; Zone Air Hyper Heat handles heating down to -22°F