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

https://www.re-thinkingthefuture.com/article/best-diy-mini-split-for-cold-climate-heating-in-2026/

This 2026 DIY cold-climate mini split comparison looks at Zone Air, MRCOOL, Pioneer, and Cooper & Hunter for low-temp heating, line-set options, install steps, and support. One model is rated to -22°F; check sizing and electrical needs before you buy.