Comparing DIY mini splits for 2026? MRCOOL delivers 24 SEER2, while Zone Air...

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

Comparing DIY mini splits for 2026? MRCOOL delivers 24 SEER2, while Zone Air offers 23 SEER2. Choose MRCOOL for value in climates above -15°F; pick Zone Air Hyper Heat if you need heating performance down to -22°F.