Comparing MRCOOL and Zone Air DIY mini splits for 2026? MRCOOL offers 24 SEER2;...

https://shed-wiki.win/index.php/Do_DIY_Mini_Splits_Really_Need_No_HVAC_License_or_EPA_License%3F

Comparing MRCOOL and Zone Air DIY mini splits for 2026? MRCOOL offers 24 SEER2; Zone Air, 23 SEER2. The choice comes down to best value above -15°F or Hyper Heat that keeps working down to -22°F.