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

https://evelynsexpertcolumns.brightsora.com/posts/do-i-need-a-vacuum-pump-for-a-pre-charged-mini-split

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.