For 2026, MRCOOL’s 24 SEER2 beats Zone Air’s 23 SEER2 on efficiency, but the...

https://www.slideserve.com/gwyneyxcez/what-size-mini-split-for-a-garage-12k-18k-or-24k

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