Choosing between MRCOOL and Zone Air? MRCOOL’s 24 SEER2 tops Zone Air’s 23, but...

https://northpixelate.com/s/XT-w6Beep68cR2ckI1Gke

Choosing between MRCOOL and Zone Air? MRCOOL’s 24 SEER2 tops Zone Air’s 23, but climate is the key: go for the best value above -15°F, or choose Hyper Heat for reliable heating down to -22°F.