Comparing 2026 DIY mini splits? MRCOOL’s 24 SEER2 beats Zone Air’s 23 SEER2 on...
https://wiki-zine.win/index.php/What_Should_I_Check_Before_Buying_a_24,000_BTU_DIY_Mini_Split%3F
Comparing 2026 DIY mini splits? MRCOOL’s 24 SEER2 beats Zone Air’s 23 SEER2 on efficiency, but the real choice is value above -15°F or Zone Air Hyper Heat, which keeps heating down to -22°F. Match the unit to your winter lows.