In this 2026 DIY mini-split matchup, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2...

https://www.oscarbookmarks.win/comparing-diy-mini-splits-for-2026-mrcool-s-24-seer2-edges-zone-air-s-23

In this 2026 DIY mini-split matchup, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 are close on efficiency. The real choice: better value for climates above -15°F, or Hyper Heat that keeps working down to -22°F.