Comparing 2026 DIY mini splits? MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2, but...

https://evelynsexpertcolumns.brightsora.com/posts/do-i-need-a-vacuum-pump-for-a-pre-charged-mini-split

Comparing 2026 DIY mini splits? MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2, but the key choice is best value above -15°F or Hyper Heat that keeps heating down to -22°F. Choose based on how cold your winters get.