For 2026, MRCOOL vs. Zone Air comes down to your winter lows: both deliver...

https://padlet.com/interworldradiofbhrz/bookmarks-s024j12ah16lnis2hub3/wish/E851Q0qGJn5mZVAb

For 2026, MRCOOL vs. Zone Air comes down to your winter lows: both deliver strong DIY heating, with Zone Air rated 24 SEER2 and MRCOOL 23 SEER2. Want best value above -15°F, or Hyper Heat that keeps working down to -22°F?