Comparing DIY mini splits for 2026? MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2,...
https://mill-wiki.win/index.php/Zone_Air_Custom_Line_Sets_5_to_75_ft:_Is_One_Continuous_Run_Better%3F
Comparing DIY mini splits for 2026? MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2, but the real choice is value versus cold-weather reach: pick Zone Air above -15°F, or MRCOOL Hyper Heat for heating down to -22°F.