For 2026, MRCOOL’s 24 SEER2 beats Zone Air’s 23 SEER2 on efficiency. The real...

https://homesandexterior.com/best-diy-mini-split-heat-pump-2026-mrcool-vs-competitors/

For 2026, MRCOOL’s 24 SEER2 beats Zone Air’s 23 SEER2 on efficiency. The real choice: MRCOOL for best value above -15°F, or Zone Air Hyper Heat for heating down to -22°F.