Comparing 2026 DIY mini splits? MRCOOL offers 24 SEER2, while Zone Air delivers...

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

Comparing 2026 DIY mini splits? MRCOOL offers 24 SEER2, while Zone Air delivers 23 SEER2 and better value when winter lows stay above -15°F. Need heat in colder weather? Zone Air Hyper Heat runs down to -22°F.