Shopping DIY mini splits for 2026? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2....

https://oliviamaids.com/can-a-multi-zone-diy-system-heat-and-cool-a-whole-house/

Shopping DIY mini splits for 2026? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2. The key choice is best value for heat above -15°F or Hyper Heat down to -22°F. Check your climate, install needs, and upfront cost before you buy.