Comparing 2026 DIY cold-climate mini splits? MRCOOL and Pioneer differ in...

https://mill-wiki.win/index.php/MRCOOL_Multi-Zone_Limitations:_Can_You_Do_Ducted_With_It%3F

Comparing 2026 DIY cold-climate mini splits? MRCOOL and Pioneer differ in low-temperature output, included line sets, and install details. Check each unit’s rating at -22°F, plus breaker and line-set requirements, before choosing.