Comparing MRCOOL and Zone Air for 2026? Both offer DIY-friendly heating, but...

https://spark-wiki.win/index.php/Will_My_City_Require_a_Permit_for_a_DIY_Mini_Split_Install%3F

Comparing MRCOOL and Zone Air for 2026? Both offer DIY-friendly heating, but the specs suit different needs: 24 SEER2 versus 23 SEER2. Choose the best value for heating above -15°F, or Hyper Heat for warmth down to -22°F.