For 2026, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 come down to your winter...

https://kilo-wiki.win/index.php/24,000_BTU_Mini_Split_for_1,000_Sq_Ft:_Will_It_Short_Cycle%3F

For 2026, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 come down to your winter needs: choose MRCOOL for value above -15°F, or Zone Air Hyper Heat for heating down to -22°F.