For 2026, the top DIY mini splits handle -22°F with ease and hit up to 24 SEER2...

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 top DIY mini splits handle -22°F with ease and hit up to 24 SEER2 efficiency. Models with 8-75 ft line sets fit tough layouts, letting you save $1,500-$3,000 on install fees. These units balance power and ease for cold climates.