Choosing a DIY mini split for 2026? MRCOOL’s 24 SEER2 edges Zone Air’s 23...

https://mariosmasterchat.cloudhinter.com/posts/why-do-people-say-fewer-line-set-joints-mean-a-longer-mini-split-lifespan

Choosing a DIY mini split for 2026? MRCOOL’s 24 SEER2 edges Zone Air’s 23 SEER2, but the real choice is value above -15°F or Hyper Heat down to -22°F. Match the system to your winter lows—not just its efficiency rating.