For 2026, this DIY mini split comparison pits MRCOOL at 24 SEER2 against Zone...

https://romeo-wiki.win/index.php/What_Tools_Do_I_Actually_Need_to_Install_a_DIY_Mini_Split%3F

For 2026, this DIY mini split comparison pits MRCOOL at 24 SEER2 against Zone Air at 23 SEER2. The real choice: best value for climates above -15°F, or Zone Air Hyper Heat for reliable heating down to -22°F.