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

https://mill-wiki.win/index.php/How_Do_I_Avoid_Future_Service_Calls_on_a_DIY_Mini_Split_Install%3F

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.