This 2026 DIY mini split heat pump comparison puts MRCOOL against Zone Air: 24...
https://andysinspiringcolumns.yousher.com/what-happens-if-my-mini-split-is-undersized-and-runs-nonstop
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.