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

https://avasnewinsights.inkharbory.com/posts/cooper-amp-hunter-12k-hyper-heat-specs-you-need-to-verify-for-2026

For 2026, the best cold-climate mini splits deliver reliable heat down to -22°F with efficiency ratings above 24 SEER2. DIYers save $1,500 to $3,000 by installing units with 8-75 ft line sets included