DIY mini split comparison for 2026: MRCOOL has 24 SEER2; Zone Air, 23 SEER2....

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

DIY mini split comparison for 2026: MRCOOL has 24 SEER2; Zone Air, 23 SEER2. Pick MRCOOL for value where winters stay above -15°F, or Zone Air Hyper Heat for heating down to -22°F. Your winter lows make the call for your home and climate.