Choosing a DIY mini split in 2026? MRCOOL’s 24 SEER2 tops Zone Air’s 23, but...
https://record-wiki.win/index.php/Do_Ductless_Mini_Splits_Really_Save_Energy_Compared_to_Old_Window_AC_Units%3F
Choosing a DIY mini split in 2026? MRCOOL’s 24 SEER2 tops Zone Air’s 23, but the real choice is best value above -15°F or Hyper Heat that keeps working down to -22°F. Check your winter lows, then choose the unit that fits—not just the higher rating.