Comparing DIY mini splits for 2026? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2....
https://web-wiki.win/index.php/What_Tools_Do_I_Actually_Need_to_Install_a_DIY_Mini_Split%3F
Comparing DIY mini splits for 2026? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2. Choose the best value for heat above -15°F, or Hyper Heat for warmth down to -22°F. Let your winter lows—not just the efficiency rating—guide your pick.