For 2026, MRCOOL’s 24 SEER2 DIY mini split leads on value in climates that stay...

https://atomic-wiki.win/index.php/How_Much_Can_24_SEER2_Save_Per_Year_Compared_to_22_SEER2%3F

For 2026, MRCOOL’s 24 SEER2 DIY mini split leads on value in climates that stay above -15°F. Zone Air’s 23 SEER2 Hyper Heat costs more, but keeps heating down to -22°F. Choose based on how cold your winters get.