MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 make a close matchup. Choose MRCOOL...

https://jaidenssuperop-eds.hexaforgey.com/posts/what-tools-do-i-actually-need-to-install-a-diy-mini-split

MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 make a close matchup. Choose MRCOOL for best value above -15°F; pick Zone Air Hyper Heat for heating down to -22°F. Let your coldest nights—not the one-point efficiency gap—make the call.