Comparing DIY mini splits for 2026? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2....
https://wiki-site.win/index.php/Can_I_Use_a_DIY_Mini_Split_as_Primary_Heat_Room_by_Room_Instead_of_Central_HVAC%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.