Comparing MRCOOL’s 24 SEER2 with Zone Air’s 23 SEER2? The choice comes down to...

https://wiki-nest.win/index.php/What_Maintenance_Do_DIY_Mini_Splits_Need_Each_Month%3F

Comparing MRCOOL’s 24 SEER2 with Zone Air’s 23 SEER2? The choice comes down to value versus cold-weather reach: Zone Air is the best value for heating above -15°F, while MRCOOL Hyper Heat keeps going down to -22°F. Match the system to your winter lows.