Choosing a DIY mini split for 2026? MRCOOL’s 24 SEER2 edges Zone Air’s 23...

https://daisydustmaid.com/what-size-mini-split-for-a-garage-12k-18k-or-24k/

Choosing a DIY mini split for 2026? MRCOOL’s 24 SEER2 edges Zone Air’s 23 SEER2, but the real choice is value above -15°F or Hyper Heat down to -22°F. Match the system to your winter lows—not just its efficiency rating.