2026 DIY mini split face-off: MRCOOL gives 24 SEER2; Zone Air, 23 SEER2. The...
https://mariossuperbchat.wordcanopy.com/posts/do-i-really-need-a-disconnect-box-for-a-mini-split-condenser
2026 DIY mini split face-off: MRCOOL gives 24 SEER2; Zone Air, 23 SEER2. The real call? Best value above -15°F, or Hyper Heat for use down to -22°F. Check winter lows before you buy: efficiency matters, but cold-weather range may matter more for your home