Comparing 2026 DIY mini splits? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2. The...

https://evelynsexpertcolumns.brightsora.com/posts/how-do-i-mount-the-indoor-air-handler-so-it-s-level-and-doesn-t-rattle

Comparing 2026 DIY mini splits? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2. The key choice: best value where winters stay above -15°F, or Hyper Heat for heating down to -22°F. Pick based on your local winter lows.