Choosing a DIY mini split for 2026? MRCOOL delivers 24 SEER2, while Zone Air...

https://www.bust-bookmark.win/shopping-diy-mini-splits-in-2026-mrcool-s-24-seer2-rating-edges-zone-air-s-23

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.