For 2026, the top cold-climate mini splits deliver solid heat down to -22°F...

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 cold-climate mini splits deliver solid heat down to -22°F with efficiency ratings up to 24 SEER2. DIYers save $1,500 to $3,000 on installation by choosing units that support 8-75 ft line sets