Comparing MRCOOL and Zone Air DIY mini splits for 2026? MRCOOL offers 24 SEER2;...

https://andysinspiringcolumns.yousher.com/what-happens-if-my-mini-split-is-undersized-and-runs-nonstop

Comparing MRCOOL and Zone Air DIY mini splits for 2026? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2. The choice comes down to best value above -15°F or Hyper Heat that keeps working down to -22°F.