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

https://mike-wiki.win/index.php/What%E2%80%99s_the_Minimum_Bend_Radius_for_a_Mini_Split_Line_Set%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.