For 2026, compare MRCOOL’s 24 SEER2 with Zone Air’s 23 SEER2. Both offer DIY...

https://fast-wiki.win/index.php/Can_I_Use_a_DIY_Mini_Split_as_Primary_Heat_Room_by_Room_Instead_of_Central_HVAC%3F

For 2026, compare MRCOOL’s 24 SEER2 with Zone Air’s 23 SEER2. Both offer DIY appeal, but winter lows decide the buy: choose best value if temps stay above -15°F, or Hyper Heat for warmth down to -22°F. Check sizing and cold-weather specs, too.