This 2026 DIY cold-climate mini split comparison looks at Zone Air and MRCOOL...

https://padlet.com/answerlychatsdhsux/bookmarks-s024iw49x4f3p8byr0ax/wish/BJkrQAdGgLr6aEge

This 2026 DIY cold-climate mini split comparison looks at Zone Air and MRCOOL for low-temperature heating, sizing, line-set kits, and install effort. Some models are rated to -22°F, but check electrical needs and included parts before buying.