Choosing a DIY mini split in 2026? MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2...

https://wool-wiki.win/index.php/How_Do_I_Mount_the_Indoor_Air_Handler_So_It%E2%80%99s_Level_and_Doesn%E2%80%99t_Rattle%3F

Choosing a DIY mini split in 2026? MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 are close on efficiency. The real call: best value above -15°F, or Zone Air Hyper Heat for heating down to -22°F? Check your winter lows before you buy.