MRCOOL’s 24 SEER2 vs Zone Air’s 23 SEER2: compare winter needs. MRCOOL is the...
https://post-wiki.win/index.php/Should_I_Buy_MRCOOL_for_the_Cold_or_Zone_Air_for_the_Value%3F
MRCOOL’s 24 SEER2 vs Zone Air’s 23 SEER2: compare winter needs. MRCOOL is the better value above -15°F; Zone Air Hyper Heat keeps heating down to -22°F. Choose by your local lows, not just the efficiency rating, and match the system to your home carefully