2026 DIY mini split matchup: MRCOOL offers 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 matchup: MRCOOL offers 24 SEER2; Zone Air, 23 SEER2. The key? Best value for temps above -15°F, or Zone Air Hyper Heat for heating down to -22°F. Choose based on your winter lows—not just efficiency or your home’s usual coldest nights.