Comparing DIY cold-climate mini splits for 2026? Zone Air and MRCOOL both have...

https://star-wiki.win/index.php/Is_MRCOOL_Actually_DIY,_or_Do_You_Still_Need_HVAC_Tools%3F

Comparing DIY cold-climate mini splits for 2026? Zone Air and MRCOOL both have options worth checking. Compare low-temperature output, line-set length, and electrical needs—not just price. One model is rated to -22°F.