DIY mini splits in 2026: MRCOOL gives 24 SEER2; Zone Air, 23. The key choice is...

https://www.beacon-bookmarks.win/comparing-2026-diy-mini-splits-mrcool-offers-24-seer2-zone-air-23-seer2

DIY mini splits in 2026: MRCOOL gives 24 SEER2; Zone Air, 23. The key choice is simple: best value for heat above -15°F, or Hyper Heat down to -22°F. Pick for your coldest nights, not the rating alone. Check local lows before you buy first.