Shopping DIY mini splits for 2026? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2....

https://mighty-wiki.win/index.php/Do_Extra_Quick-Connect_Fittings_Really_Increase_Leak_Risk_Over_Time%3F

Shopping DIY mini splits for 2026? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2. The key choice is best value for heat above -15°F or Hyper Heat down to -22°F. Check your climate, install needs, and upfront cost before you buy.