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

https://donovansultimatewords.opalvector.com/posts/does-a-non-hyper-heat-mrcool-mini-split-heat-to-13degf-here-s-what-to-check

For 2026, MRCOOL’s 24 SEER2 efficiency edges Zone Air’s 23 SEER2. The real choice: better value in climates that stay above -15°F, or Zone Air Hyper Heat for dependable heating down to -22°F.