Choosing a DIY mini split for 2026? MRCOOL delivers 24 SEER2, while Zone Air...
https://writerhavenx.com/s/yL82jB85i0wbgOoE1icWM
Choosing a DIY mini split for 2026? MRCOOL delivers 24 SEER2, while Zone Air offers 23 SEER2. The real call: best value above -15°F, or Hyper Heat that keeps heating down to -22°F. Match the unit to your winter lows.