Comparing 2026 DIY mini splits? MRCOOL’s 24 SEER2 beats Zone Air’s 23 SEER2 on...

https://spencerssmartword.quillnesty.com/posts/what-happens-if-my-mini-split-is-undersized-and-runs-nonstop

Comparing 2026 DIY mini splits? MRCOOL’s 24 SEER2 beats Zone Air’s 23 SEER2 on efficiency, but the real choice is climate: best value above -15°F, or Zone Air Hyper Heat for heating down to -22°F.