For 2026, the best DIY cold-climate mini splits handle down to -22°F and offer...

https://www.grandmashousediy.com/best-diy-cold-climate-mini-split-hyper-heat-models-compared-mrcool-vs-cooper-hunter-vs-zone-air-2026/

For 2026, the best DIY cold-climate mini splits handle down to -22°F and offer impressive 24 SEER2 efficiency. Expect line sets from 8 to 75 feet, making installation flexible for most homes. You’ll save $1,500-$3,000 compared to pros