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

https://ace-wiki.win/index.php/Is_It_True_HVAC_Total_System_Prices_Rose_More_Than_500%25_Since_2016%3F

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