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

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

Shopping DIY mini splits for 2026? MRCOOL delivers 24 SEER2, while Zone Air rates at 23 SEER2. The real choice: better value for heating above -15°F, or Hyper Heat that keeps working down to -22°F in colder winter weather.