MRCOOL offers 24 SEER2 efficiency and strong value above -15°F. Zone Air’s 23...

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

MRCOOL offers 24 SEER2 efficiency and strong value above -15°F. Zone Air’s 23 SEER2 Hyper Heat model keeps heating down to -22°F. The choice is simple: prioritize price in milder winters, or pay for extra cold-weather capacity.