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

https://wiki-burner.win/index.php/Can_I_Install_a_DIY_Mini_Split_Without_Hiring_an_HVAC_Pro_at_All%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