This 2026 DIY mini split heat pump comparison puts MRCOOL against Zone Air: 24...

https://www.pfdbookmark.win/diy-mini-splits-in-2026-mrcool-gives-24-seer2-zone-air-23-the-key-choice-is

This 2026 DIY mini split heat pump comparison puts MRCOOL against Zone Air: 24 SEER2 vs. 23 SEER2. MRCOOL offers the best value if your home stays above -15°F; choose Zone Air’s Hyper Heat for heating down to -22°F. Your winter lows make the call.