Comparing MRCOOL and Zone Air in 2026? MRCOOL offers 24 SEER2 versus Zone Air’s...

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

Comparing MRCOOL and Zone Air in 2026? MRCOOL offers 24 SEER2 versus Zone Air’s 23. Choose MRCOOL for best value in climates above -15°F; go with Zone Air’s Hyper Heat if you need heating down to -22°F.