For 2026, this DIY mini split comparison pits MRCOOL at 24 SEER2 against Zone...

https://vincentnelson86.raindrop.page/bookmarks-76114549

For 2026, this DIY mini split comparison pits MRCOOL at 24 SEER2 against Zone Air at 23 SEER2. The real choice: best value for climates above -15°F, or Zone Air Hyper Heat for reliable heating down to -22°F.